21101388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 62995968

約数和(自身を除く): 41894580

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 41, 42, 44, 66, 77, 82, 84, 123, 132, 154, 164, 231, 246, 287, 308, 451, 462, 492, 557, 574, 861, 902, 924, 1114, 1148, 1353, 1671, 1722, 1804, 2228, 2706, 3157, 3342, 3444, 3899, 5412, 6127, 6314, 6684, 7798, 9471, 11697, 12254, 12628, 15596, 18381, 18942, 22837, 23394, 24508, 36762, 37884, 42889, 45674, 46788, 68511, 73524, 85778, 91348, 128667, 137022, 159859, 171556, 251207, 257334, 274044, 319718, 479577, 502414, 514668, 639436, 753621, 959154, 1004828, 1507242, 1758449, 1918308, 3014484, 3516898, 5275347, 7033796, 10550694, 21101388]

約数ペア:

[(1, 21101388), (2, 10550694), (3, 7033796), (4, 5275347), (6, 3516898), (7, 3014484), (11, 1918308), (12, 1758449), (14, 1507242), (21, 1004828), (22, 959154), (28, 753621), (33, 639436), (41, 514668), (42, 502414), (44, 479577), (66, 319718), (77, 274044), (82, 257334), (84, 251207), (123, 171556), (132, 159859), (154, 137022), (164, 128667), (231, 91348), (246, 85778), (287, 73524), (308, 68511), (451, 46788), (462, 45674), (492, 42889), (557, 37884), (574, 36762), (861, 24508), (902, 23394), (924, 22837), (1114, 18942), (1148, 18381), (1353, 15596), (1671, 12628), (1722, 12254), (1804, 11697), (2228, 9471), (2706, 7798), (3157, 6684), (3342, 6314), (3444, 6127), (3899, 5412)]