21410788

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 44279424

約数和(自身を除く): 22868636

約数列:

[1, 2, 4, 7, 14, 28, 67, 101, 113, 134, 202, 226, 268, 404, 452, 469, 707, 791, 938, 1414, 1582, 1876, 2828, 3164, 6767, 7571, 11413, 13534, 15142, 22826, 27068, 30284, 45652, 47369, 52997, 79891, 94738, 105994, 159782, 189476, 211988, 319564, 764671, 1529342, 3058684, 5352697, 10705394, 21410788]

約数ペア:

[(1, 21410788), (2, 10705394), (4, 5352697), (7, 3058684), (14, 1529342), (28, 764671), (67, 319564), (101, 211988), (113, 189476), (134, 159782), (202, 105994), (226, 94738), (268, 79891), (404, 52997), (452, 47369), (469, 45652), (707, 30284), (791, 27068), (938, 22826), (1414, 15142), (1582, 13534), (1876, 11413), (2828, 7571), (3164, 6767)]