21172033233

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1\times {\mathrm{877}}^1$

素因数の和:1639

約数の個数: 64

約数和(自身を含む): 34181593600

約数和(自身を除く): 13009560367

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 631, 877, 981, 1417, 1893, 2631, 2943, 4251, 5679, 7893, 8203, 11401, 12753, 17037, 23679, 24609, 34203, 38259, 68779, 73827, 95593, 102609, 206337, 221481, 286779, 307827, 553387, 619011, 860337, 894127, 1242709, 1660161, 1857033, 2581011, 2682381, 3728127, 4980483, 7194031, 8047143, 11184381, 14941449, 21582093, 24141429, 33553143, 60319183, 64746279, 180957549, 194238837, 542872647, 784149379, 1628617941, 2352448137, 7057344411, 21172033233]

約数ペア:

[(1, 21172033233), (3, 7057344411), (9, 2352448137), (13, 1628617941), (27, 784149379), (39, 542872647), (109, 194238837), (117, 180957549), (327, 64746279), (351, 60319183), (631, 33553143), (877, 24141429), (981, 21582093), (1417, 14941449), (1893, 11184381), (2631, 8047143), (2943, 7194031), (4251, 4980483), (5679, 3728127), (7893, 2682381), (8203, 2581011), (11401, 1857033), (12753, 1660161), (17037, 1242709), (23679, 894127), (24609, 860337), (34203, 619011), (38259, 553387), (68779, 307827), (73827, 286779), (95593, 221481), (102609, 206337)]