21913746

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 45215808

約数和(自身を除く): 23302062

約数列:

[1, 2, 3, 6, 43, 86, 129, 157, 258, 314, 471, 541, 942, 1082, 1623, 3246, 6751, 13502, 20253, 23263, 40506, 46526, 69789, 84937, 139578, 169874, 254811, 509622, 3652291, 7304582, 10956873, 21913746]

約数ペア:

[(1, 21913746), (2, 10956873), (3, 7304582), (6, 3652291), (43, 509622), (86, 254811), (129, 169874), (157, 139578), (258, 84937), (314, 69789), (471, 46526), (541, 40506), (942, 23263), (1082, 20253), (1623, 13502), (3246, 6751)]