21369474180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1499}}^1\times {\mathrm{2731}}^1$

素因数の和:4274

約数の個数: 144

約数和(自身を含む): 67125240000

約数和(自身を除く): 45755765820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1499, 1740, 2610, 2731, 2998, 4497, 5220, 5462, 5996, 7495, 8193, 8994, 10924, 13491, 13655, 14990, 16386, 17988, 22485, 24579, 26982, 27310, 29980, 32772, 40965, 43471, 44970, 49158, 53964, 54620, 67455, 79199, 81930, 86942, 89940, 98316, 122895, 130413, 134910, 158398, 163860, 173884, 217355, 237597, 245790, 260826, 269820, 316796, 391239, 395995, 434710, 475194, 491580, 521652, 652065, 712791, 782478, 791990, 869420, 950388, 1187985, 1304130, 1425582, 1564956, 1583980, 1956195, 2375970, 2608260, 2851164, 3563955, 3912390, 4093769, 4751940, 7127910, 7824780, 8187538, 12281307, 14255820, 16375076, 20468845, 24562614, 36843921, 40937690, 49125228, 61406535, 73687842, 81875380, 118719301, 122813070, 147375684, 184219605, 237438602, 245626140, 356157903, 368439210, 474877204, 593596505, 712315806, 736878420, 1068473709, 1187193010, 1424631612, 1780789515, 2136947418, 2374386020, 3561579030, 4273894836, 5342368545, 7123158060, 10684737090, 21369474180]

約数ペア:

[(1, 21369474180), (2, 10684737090), (3, 7123158060), (4, 5342368545), (5, 4273894836), (6, 3561579030), (9, 2374386020), (10, 2136947418), (12, 1780789515), (15, 1424631612), (18, 1187193010), (20, 1068473709), (29, 736878420), (30, 712315806), (36, 593596505), (45, 474877204), (58, 368439210), (60, 356157903), (87, 245626140), (90, 237438602), (116, 184219605), (145, 147375684), (174, 122813070), (180, 118719301), (261, 81875380), (290, 73687842), (348, 61406535), (435, 49125228), (522, 40937690), (580, 36843921), (870, 24562614), (1044, 20468845), (1305, 16375076), (1499, 14255820), (1740, 12281307), (2610, 8187538), (2731, 7824780), (2998, 7127910), (4497, 4751940), (5220, 4093769), (5462, 3912390), (5996, 3563955), (7495, 2851164), (8193, 2608260), (8994, 2375970), (10924, 1956195), (13491, 1583980), (13655, 1564956), (14990, 1425582), (16386, 1304130), (17988, 1187985), (22485, 950388), (24579, 869420), (26982, 791990), (27310, 782478), (29980, 712791), (32772, 652065), (40965, 521652), (43471, 491580), (44970, 475194), (49158, 434710), (53964, 395995), (54620, 391239), (67455, 316796), (79199, 269820), (81930, 260826), (86942, 245790), (89940, 237597), (98316, 217355), (122895, 173884), (130413, 163860), (134910, 158398)]