21500176

素因数分解:

$2^4\times {\mathrm{983}}^1\times {\mathrm{1367}}^1$

素因数の和:2358

約数の個数: 20

約数和(自身を含む): 41729472

約数和(自身を除く): 20229296

約数列:

[1, 2, 4, 8, 16, 983, 1367, 1966, 2734, 3932, 5468, 7864, 10936, 15728, 21872, 1343761, 2687522, 5375044, 10750088, 21500176]

約数ペア:

[(1, 21500176), (2, 10750088), (4, 5375044), (8, 2687522), (16, 1343761), (983, 21872), (1367, 15728), (1966, 10936), (2734, 7864), (3932, 5468)]