21167773263

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{327163}}^1$

素因数の和:327268

約数の個数: 48

約数和(自身を含む): 38108062720

約数和(自身を除く): 16940289457

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 553, 711, 819, 1027, 1659, 3081, 4977, 7189, 9243, 21567, 64701, 327163, 981489, 2290141, 2944467, 4253119, 6870423, 12759357, 20611269, 25845877, 29771833, 38278071, 77537631, 89315499, 180921139, 232612893, 267946497, 335996401, 542763417, 1007989203, 1628290251, 2351974807, 3023967609, 7055924421, 21167773263]

約数ペア:

[(1, 21167773263), (3, 7055924421), (7, 3023967609), (9, 2351974807), (13, 1628290251), (21, 1007989203), (39, 542763417), (63, 335996401), (79, 267946497), (91, 232612893), (117, 180921139), (237, 89315499), (273, 77537631), (553, 38278071), (711, 29771833), (819, 25845877), (1027, 20611269), (1659, 12759357), (3081, 6870423), (4977, 4253119), (7189, 2944467), (9243, 2290141), (21567, 981489), (64701, 327163)]