21368368

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1889}}^1$

素因数の和:2005

約数の個数: 40

約数和(自身を含む): 47809440

約数和(自身を除く): 26441072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 1889, 2828, 3778, 5656, 7556, 11312, 13223, 15112, 26446, 30224, 52892, 105784, 190789, 211568, 381578, 763156, 1335523, 1526312, 2671046, 3052624, 5342092, 10684184, 21368368]

約数ペア:

[(1, 21368368), (2, 10684184), (4, 5342092), (7, 3052624), (8, 2671046), (14, 1526312), (16, 1335523), (28, 763156), (56, 381578), (101, 211568), (112, 190789), (202, 105784), (404, 52892), (707, 30224), (808, 26446), (1414, 15112), (1616, 13223), (1889, 11312), (2828, 7556), (3778, 5656)]