21821542275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:494

約数の個数: 192

約数和(自身を含む): 42747264000

約数和(自身を除く): 20925721725

約数列:

[1, 3, 5, 13, 15, 19, 25, 29, 39, 57, 65, 75, 87, 95, 145, 151, 195, 247, 269, 285, 325, 377, 435, 453, 475, 551, 725, 741, 755, 807, 975, 1131, 1235, 1345, 1425, 1653, 1885, 1963, 2175, 2265, 2755, 2869, 3497, 3705, 3775, 4035, 4379, 5111, 5655, 5889, 6175, 6725, 7163, 7801, 8265, 8607, 9425, 9815, 10491, 11325, 13137, 13775, 14345, 15333, 17485, 18525, 20175, 21489, 21895, 23403, 25555, 28275, 29445, 35815, 37297, 39005, 40619, 41325, 43035, 49075, 52455, 56927, 65685, 66443, 71725, 76665, 83201, 87425, 101413, 107445, 109475, 111891, 117015, 121857, 127775, 147225, 148219, 170781, 179075, 186485, 195025, 199329, 203095, 215175, 249603, 262275, 284635, 304239, 328425, 332215, 383325, 416005, 444657, 507065, 528047, 537225, 559455, 585075, 609285, 741095, 771761, 853905, 932425, 996645, 1015475, 1081613, 1177951, 1248015, 1423175, 1521195, 1584141, 1661075, 1926847, 2080025, 2223285, 2315283, 2535325, 2640235, 2797275, 3046425, 3244839, 3533853, 3705475, 3858805, 4269525, 4983225, 5408065, 5780541, 5889755, 6240075, 7605975, 7920705, 9634235, 10032893, 11116425, 11576415, 13201175, 15313363, 16224195, 17669265, 19294025, 22381069, 27040325, 28902705, 29448775, 30098679, 39603525, 45940089, 48171175, 50164465, 57882075, 67143207, 76566815, 81120975, 88346325, 111905345, 144513525, 150493395, 229700445, 250822325, 290953897, 335716035, 382834075, 559526725, 752466975, 872861691, 1148502225, 1454769485, 1678580175, 4364308455, 7273847425, 21821542275]

約数ペア:

[(1, 21821542275), (3, 7273847425), (5, 4364308455), (13, 1678580175), (15, 1454769485), (19, 1148502225), (25, 872861691), (29, 752466975), (39, 559526725), (57, 382834075), (65, 335716035), (75, 290953897), (87, 250822325), (95, 229700445), (145, 150493395), (151, 144513525), (195, 111905345), (247, 88346325), (269, 81120975), (285, 76566815), (325, 67143207), (377, 57882075), (435, 50164465), (453, 48171175), (475, 45940089), (551, 39603525), (725, 30098679), (741, 29448775), (755, 28902705), (807, 27040325), (975, 22381069), (1131, 19294025), (1235, 17669265), (1345, 16224195), (1425, 15313363), (1653, 13201175), (1885, 11576415), (1963, 11116425), (2175, 10032893), (2265, 9634235), (2755, 7920705), (2869, 7605975), (3497, 6240075), (3705, 5889755), (3775, 5780541), (4035, 5408065), (4379, 4983225), (5111, 4269525), (5655, 3858805), (5889, 3705475), (6175, 3533853), (6725, 3244839), (7163, 3046425), (7801, 2797275), (8265, 2640235), (8607, 2535325), (9425, 2315283), (9815, 2223285), (10491, 2080025), (11325, 1926847), (13137, 1661075), (13775, 1584141), (14345, 1521195), (15333, 1423175), (17485, 1248015), (18525, 1177951), (20175, 1081613), (21489, 1015475), (21895, 996645), (23403, 932425), (25555, 853905), (28275, 771761), (29445, 741095), (35815, 609285), (37297, 585075), (39005, 559455), (40619, 537225), (41325, 528047), (43035, 507065), (49075, 444657), (52455, 416005), (56927, 383325), (65685, 332215), (66443, 328425), (71725, 304239), (76665, 284635), (83201, 262275), (87425, 249603), (101413, 215175), (107445, 203095), (109475, 199329), (111891, 195025), (117015, 186485), (121857, 179075), (127775, 170781), (147225, 148219)]