42121212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 115269504

約数和(自身を除く): 73148292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 227, 282, 329, 454, 564, 658, 681, 908, 987, 1316, 1362, 1589, 1974, 2209, 2724, 3178, 3948, 4418, 4767, 6356, 6627, 8836, 9534, 10669, 13254, 15463, 19068, 21338, 26508, 30926, 32007, 42676, 46389, 61852, 64014, 74683, 92778, 128028, 149366, 185556, 224049, 298732, 448098, 501443, 896196, 1002886, 1504329, 2005772, 3008658, 3510101, 6017316, 7020202, 10530303, 14040404, 21060606, 42121212]

約数ペア:

[(1, 42121212), (2, 21060606), (3, 14040404), (4, 10530303), (6, 7020202), (7, 6017316), (12, 3510101), (14, 3008658), (21, 2005772), (28, 1504329), (42, 1002886), (47, 896196), (84, 501443), (94, 448098), (141, 298732), (188, 224049), (227, 185556), (282, 149366), (329, 128028), (454, 92778), (564, 74683), (658, 64014), (681, 61852), (908, 46389), (987, 42676), (1316, 32007), (1362, 30926), (1589, 26508), (1974, 21338), (2209, 19068), (2724, 15463), (3178, 13254), (3948, 10669), (4418, 9534), (4767, 8836), (6356, 6627)]