21116747764

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{161527}}^1$

素因数の和:161597

約数の個数: 72

約数和(自身を含む): 46403763840

約数和(自身を除く): 25287016076

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 49, 58, 92, 98, 116, 161, 196, 203, 322, 406, 644, 667, 812, 1127, 1334, 1421, 2254, 2668, 2842, 4508, 4669, 5684, 9338, 18676, 32683, 65366, 130732, 161527, 323054, 646108, 1130689, 2261378, 3715121, 4522756, 4684283, 7430242, 7914823, 9368566, 14860484, 15829646, 18737132, 26005847, 31659292, 32789981, 52011694, 65579962, 104023388, 107738509, 131159924, 182040929, 215477018, 229529867, 364081858, 430954036, 459059734, 728163716, 754169563, 918119468, 1508339126, 3016678252, 5279186941, 10558373882, 21116747764]

約数ペア:

[(1, 21116747764), (2, 10558373882), (4, 5279186941), (7, 3016678252), (14, 1508339126), (23, 918119468), (28, 754169563), (29, 728163716), (46, 459059734), (49, 430954036), (58, 364081858), (92, 229529867), (98, 215477018), (116, 182040929), (161, 131159924), (196, 107738509), (203, 104023388), (322, 65579962), (406, 52011694), (644, 32789981), (667, 31659292), (812, 26005847), (1127, 18737132), (1334, 15829646), (1421, 14860484), (2254, 9368566), (2668, 7914823), (2842, 7430242), (4508, 4684283), (4669, 4522756), (5684, 3715121), (9338, 2261378), (18676, 1130689), (32683, 646108), (65366, 323054), (130732, 161527)]