21132514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 35675136

約数和(自身を除く): 14542622

約数列:

[1, 2, 13, 26, 31, 62, 157, 167, 314, 334, 403, 806, 2041, 2171, 4082, 4342, 4867, 5177, 9734, 10354, 26219, 52438, 63271, 67301, 126542, 134602, 340847, 681694, 812789, 1625578, 10566257, 21132514]

約数ペア:

[(1, 21132514), (2, 10566257), (13, 1625578), (26, 812789), (31, 681694), (62, 340847), (157, 134602), (167, 126542), (314, 67301), (334, 63271), (403, 52438), (806, 26219), (2041, 10354), (2171, 9734), (4082, 5177), (4342, 4867)]