21836256520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{792317}}^1$

素因数の和:792394

約数の個数: 64

約数和(自身を含む): 53909316720

約数和(自身を除く): 32073060200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 6890, 13780, 27560, 792317, 1584634, 3169268, 3961585, 6338536, 7923170, 10300121, 15846340, 20600242, 31692680, 41200484, 41992801, 51500605, 82400968, 83985602, 103001210, 167971204, 206002420, 209964005, 335942408, 412004840, 419928010, 545906413, 839856020, 1091812826, 1679712040, 2183625652, 2729532065, 4367251304, 5459064130, 10918128260, 21836256520]

約数ペア:

[(1, 21836256520), (2, 10918128260), (4, 5459064130), (5, 4367251304), (8, 2729532065), (10, 2183625652), (13, 1679712040), (20, 1091812826), (26, 839856020), (40, 545906413), (52, 419928010), (53, 412004840), (65, 335942408), (104, 209964005), (106, 206002420), (130, 167971204), (212, 103001210), (260, 83985602), (265, 82400968), (424, 51500605), (520, 41992801), (530, 41200484), (689, 31692680), (1060, 20600242), (1378, 15846340), (2120, 10300121), (2756, 7923170), (3445, 6338536), (5512, 3961585), (6890, 3169268), (13780, 1584634), (27560, 792317)]