21167453136

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{277177}}^1$

素因数の和:277268

約数の個数: 80

約数和(自身を含む): 57466760384

約数和(自身を除く): 36299307248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 43, 48, 74, 86, 111, 129, 148, 172, 222, 258, 296, 344, 444, 516, 592, 688, 888, 1032, 1591, 1776, 2064, 3182, 4773, 6364, 9546, 12728, 19092, 25456, 38184, 76368, 277177, 554354, 831531, 1108708, 1663062, 2217416, 3326124, 4434832, 6652248, 10255549, 11918611, 13304496, 20511098, 23837222, 30766647, 35755833, 41022196, 47674444, 61533294, 71511666, 82044392, 95348888, 123066588, 143023332, 164088784, 190697776, 246133176, 286046664, 440988607, 492266352, 572093328, 881977214, 1322965821, 1763954428, 2645931642, 3527908856, 5291863284, 7055817712, 10583726568, 21167453136]

約数ペア:

[(1, 21167453136), (2, 10583726568), (3, 7055817712), (4, 5291863284), (6, 3527908856), (8, 2645931642), (12, 1763954428), (16, 1322965821), (24, 881977214), (37, 572093328), (43, 492266352), (48, 440988607), (74, 286046664), (86, 246133176), (111, 190697776), (129, 164088784), (148, 143023332), (172, 123066588), (222, 95348888), (258, 82044392), (296, 71511666), (344, 61533294), (444, 47674444), (516, 41022196), (592, 35755833), (688, 30766647), (888, 23837222), (1032, 20511098), (1591, 13304496), (1776, 11918611), (2064, 10255549), (3182, 6652248), (4773, 4434832), (6364, 3326124), (9546, 2217416), (12728, 1663062), (19092, 1108708), (25456, 831531), (38184, 554354), (76368, 277177)]