21214232

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 25052968

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 71, 104, 136, 142, 169, 221, 284, 338, 442, 568, 676, 884, 923, 1207, 1352, 1768, 1846, 2197, 2414, 2873, 3692, 4394, 4828, 5746, 7384, 8788, 9656, 11492, 11999, 15691, 17576, 22984, 23998, 31382, 37349, 47996, 62764, 74698, 95992, 125528, 149396, 155987, 203983, 298792, 311974, 407966, 623948, 815932, 1247896, 1631864, 2651779, 5303558, 10607116, 21214232]

約数ペア:

[(1, 21214232), (2, 10607116), (4, 5303558), (8, 2651779), (13, 1631864), (17, 1247896), (26, 815932), (34, 623948), (52, 407966), (68, 311974), (71, 298792), (104, 203983), (136, 155987), (142, 149396), (169, 125528), (221, 95992), (284, 74698), (338, 62764), (442, 47996), (568, 37349), (676, 31382), (884, 23998), (923, 22984), (1207, 17576), (1352, 15691), (1768, 11999), (1846, 11492), (2197, 9656), (2414, 8788), (2873, 7384), (3692, 5746), (4394, 4828)]