21458192

素因数分解:

$2^4\times 7^1\times {\mathrm{283}}^1\times {\mathrm{677}}^1$

素因数の和:975

約数の個数: 40

約数和(自身を含む): 47752896

約数和(自身を除く): 26294704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 283, 566, 677, 1132, 1354, 1981, 2264, 2708, 3962, 4528, 4739, 5416, 7924, 9478, 10832, 15848, 18956, 31696, 37912, 75824, 191591, 383182, 766364, 1341137, 1532728, 2682274, 3065456, 5364548, 10729096, 21458192]

約数ペア:

[(1, 21458192), (2, 10729096), (4, 5364548), (7, 3065456), (8, 2682274), (14, 1532728), (16, 1341137), (28, 766364), (56, 383182), (112, 191591), (283, 75824), (566, 37912), (677, 31696), (1132, 18956), (1354, 15848), (1981, 10832), (2264, 9478), (2708, 7924), (3962, 5416), (4528, 4739)]