21621288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 61316640

約数和(自身を除く): 39695352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 131, 138, 156, 184, 262, 276, 299, 312, 393, 524, 529, 552, 598, 786, 897, 1048, 1058, 1196, 1572, 1587, 1703, 1794, 2116, 2392, 3013, 3144, 3174, 3406, 3588, 4232, 5109, 6026, 6348, 6812, 6877, 7176, 9039, 10218, 12052, 12696, 13624, 13754, 18078, 20436, 20631, 24104, 27508, 36156, 39169, 40872, 41262, 55016, 69299, 72312, 78338, 82524, 117507, 138598, 156676, 165048, 207897, 235014, 277196, 313352, 415794, 470028, 554392, 831588, 900887, 940056, 1663176, 1801774, 2702661, 3603548, 5405322, 7207096, 10810644, 21621288]

約数ペア:

[(1, 21621288), (2, 10810644), (3, 7207096), (4, 5405322), (6, 3603548), (8, 2702661), (12, 1801774), (13, 1663176), (23, 940056), (24, 900887), (26, 831588), (39, 554392), (46, 470028), (52, 415794), (69, 313352), (78, 277196), (92, 235014), (104, 207897), (131, 165048), (138, 156676), (156, 138598), (184, 117507), (262, 82524), (276, 78338), (299, 72312), (312, 69299), (393, 55016), (524, 41262), (529, 40872), (552, 39169), (598, 36156), (786, 27508), (897, 24104), (1048, 20631), (1058, 20436), (1196, 18078), (1572, 13754), (1587, 13624), (1703, 12696), (1794, 12052), (2116, 10218), (2392, 9039), (3013, 7176), (3144, 6877), (3174, 6812), (3406, 6348), (3588, 6026), (4232, 5109)]