21350912

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 80

約数和(自身を含む): 49496832

約数和(自身を除く): 28145920

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 223, 256, 272, 352, 374, 446, 512, 544, 704, 748, 892, 1088, 1408, 1496, 1784, 2176, 2453, 2816, 2992, 3568, 3791, 4352, 4906, 5632, 5984, 7136, 7582, 8704, 9812, 11968, 14272, 15164, 19624, 23936, 28544, 30328, 39248, 41701, 47872, 57088, 60656, 78496, 83402, 95744, 114176, 121312, 156992, 166804, 242624, 313984, 333608, 485248, 627968, 667216, 970496, 1255936, 1334432, 1940992, 2668864, 5337728, 10675456, 21350912]

約数ペア:

[(1, 21350912), (2, 10675456), (4, 5337728), (8, 2668864), (11, 1940992), (16, 1334432), (17, 1255936), (22, 970496), (32, 667216), (34, 627968), (44, 485248), (64, 333608), (68, 313984), (88, 242624), (128, 166804), (136, 156992), (176, 121312), (187, 114176), (223, 95744), (256, 83402), (272, 78496), (352, 60656), (374, 57088), (446, 47872), (512, 41701), (544, 39248), (704, 30328), (748, 28544), (892, 23936), (1088, 19624), (1408, 15164), (1496, 14272), (1784, 11968), (2176, 9812), (2453, 8704), (2816, 7582), (2992, 7136), (3568, 5984), (3791, 5632), (4352, 4906)]