21411628

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3767}}^1$

素因数の和:3814

約数の個数: 36

約数和(自身を含む): 45102960

約数和(自身を除く): 23691332

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3767, 5684, 7534, 15068, 26369, 52738, 105476, 109243, 184583, 218486, 369166, 436972, 738332, 764701, 1529402, 3058804, 5352907, 10705814, 21411628]

約数ペア:

[(1, 21411628), (2, 10705814), (4, 5352907), (7, 3058804), (14, 1529402), (28, 764701), (29, 738332), (49, 436972), (58, 369166), (98, 218486), (116, 184583), (196, 109243), (203, 105476), (406, 52738), (812, 26369), (1421, 15068), (2842, 7534), (3767, 5684)]