21959250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 61102080

約数和(自身を除く): 39142830

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 25, 30, 38, 46, 50, 57, 67, 69, 75, 95, 114, 115, 125, 134, 138, 150, 190, 201, 230, 250, 285, 335, 345, 375, 402, 437, 475, 570, 575, 670, 690, 750, 874, 950, 1005, 1150, 1273, 1311, 1425, 1541, 1675, 1725, 2010, 2185, 2375, 2546, 2622, 2850, 2875, 3082, 3350, 3450, 3819, 4370, 4623, 4750, 5025, 5750, 6365, 6555, 7125, 7638, 7705, 8375, 8625, 9246, 10050, 10925, 12730, 13110, 14250, 15410, 16750, 17250, 19095, 21850, 23115, 25125, 29279, 31825, 32775, 38190, 38525, 46230, 50250, 54625, 58558, 63650, 65550, 77050, 87837, 95475, 109250, 115575, 146395, 159125, 163875, 175674, 190950, 192625, 231150, 292790, 318250, 327750, 385250, 439185, 477375, 577875, 731975, 878370, 954750, 1155750, 1463950, 2195925, 3659875, 4391850, 7319750, 10979625, 21959250]

約数ペア:

[(1, 21959250), (2, 10979625), (3, 7319750), (5, 4391850), (6, 3659875), (10, 2195925), (15, 1463950), (19, 1155750), (23, 954750), (25, 878370), (30, 731975), (38, 577875), (46, 477375), (50, 439185), (57, 385250), (67, 327750), (69, 318250), (75, 292790), (95, 231150), (114, 192625), (115, 190950), (125, 175674), (134, 163875), (138, 159125), (150, 146395), (190, 115575), (201, 109250), (230, 95475), (250, 87837), (285, 77050), (335, 65550), (345, 63650), (375, 58558), (402, 54625), (437, 50250), (475, 46230), (570, 38525), (575, 38190), (670, 32775), (690, 31825), (750, 29279), (874, 25125), (950, 23115), (1005, 21850), (1150, 19095), (1273, 17250), (1311, 16750), (1425, 15410), (1541, 14250), (1675, 13110), (1725, 12730), (2010, 10925), (2185, 10050), (2375, 9246), (2546, 8625), (2622, 8375), (2850, 7705), (2875, 7638), (3082, 7125), (3350, 6555), (3450, 6365), (3819, 5750), (4370, 5025), (4623, 4750)]