21418592

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51487}}^1$

素因数の和:51510

約数の個数: 24

約数和(自身を含む): 45412416

約数和(自身を除く): 23993824

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51487, 102974, 205948, 411896, 669331, 823792, 1338662, 1647584, 2677324, 5354648, 10709296, 21418592]

約数ペア:

[(1, 21418592), (2, 10709296), (4, 5354648), (8, 2677324), (13, 1647584), (16, 1338662), (26, 823792), (32, 669331), (52, 411896), (104, 205948), (208, 102974), (416, 51487)]