21000761336

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{7457}}^1$

素因数の和:7752

約数の個数: 64

約数和(自身を含む): 41615640000

約数和(自身を除く): 20614878664

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 199, 232, 244, 398, 488, 796, 1592, 1769, 3538, 5771, 7076, 7457, 11542, 12139, 14152, 14914, 23084, 24278, 29828, 46168, 48556, 59656, 97112, 216253, 352031, 432506, 454877, 704062, 865012, 909754, 1408124, 1483943, 1730024, 1819508, 2816248, 2967886, 3639016, 5935772, 11871544, 13191433, 26382866, 43034347, 52765732, 86068694, 90520523, 105531464, 172137388, 181041046, 344274776, 362082092, 724164184, 2625095167, 5250190334, 10500380668, 21000761336]

約数ペア:

[(1, 21000761336), (2, 10500380668), (4, 5250190334), (8, 2625095167), (29, 724164184), (58, 362082092), (61, 344274776), (116, 181041046), (122, 172137388), (199, 105531464), (232, 90520523), (244, 86068694), (398, 52765732), (488, 43034347), (796, 26382866), (1592, 13191433), (1769, 11871544), (3538, 5935772), (5771, 3639016), (7076, 2967886), (7457, 2816248), (11542, 1819508), (12139, 1730024), (14152, 1483943), (14914, 1408124), (23084, 909754), (24278, 865012), (29828, 704062), (46168, 454877), (48556, 432506), (59656, 352031), (97112, 216253)]