21518106

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 44229888

約数和(自身を除く): 22711782

約数列:

[1, 2, 3, 6, 53, 106, 157, 159, 314, 318, 431, 471, 862, 942, 1293, 2586, 8321, 16642, 22843, 24963, 45686, 49926, 67667, 68529, 135334, 137058, 203001, 406002, 3586351, 7172702, 10759053, 21518106]

約数ペア:

[(1, 21518106), (2, 10759053), (3, 7172702), (6, 3586351), (53, 406002), (106, 203001), (157, 137058), (159, 135334), (314, 68529), (318, 67667), (431, 49926), (471, 45686), (862, 24963), (942, 22843), (1293, 16642), (2586, 8321)]