21306792

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1453}}^1$

素因数の和:1522

約数の個数: 64

約数和(自身を含む): 58625280

約数和(自身を除く): 37318488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1453, 1833, 2444, 2906, 3666, 4359, 4888, 5812, 7332, 8718, 11624, 14664, 17436, 18889, 34872, 37778, 56667, 68291, 75556, 113334, 136582, 151112, 204873, 226668, 273164, 409746, 453336, 546328, 819492, 887783, 1638984, 1775566, 2663349, 3551132, 5326698, 7102264, 10653396, 21306792]

約数ペア:

[(1, 21306792), (2, 10653396), (3, 7102264), (4, 5326698), (6, 3551132), (8, 2663349), (12, 1775566), (13, 1638984), (24, 887783), (26, 819492), (39, 546328), (47, 453336), (52, 409746), (78, 273164), (94, 226668), (104, 204873), (141, 151112), (156, 136582), (188, 113334), (282, 75556), (312, 68291), (376, 56667), (564, 37778), (611, 34872), (1128, 18889), (1222, 17436), (1453, 14664), (1833, 11624), (2444, 8718), (2906, 7332), (3666, 5812), (4359, 4888)]