21105804

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{26251}}^1$

素因数の和:26325

約数の個数: 24

約数和(自身を含む): 49983808

約数和(自身を除く): 28878004

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 26251, 52502, 78753, 105004, 157506, 315012, 1758817, 3517634, 5276451, 7035268, 10552902, 21105804]

約数ペア:

[(1, 21105804), (2, 10552902), (3, 7035268), (4, 5276451), (6, 3517634), (12, 1758817), (67, 315012), (134, 157506), (201, 105004), (268, 78753), (402, 52502), (804, 26251)]