21615473

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 24218880

約数和(自身を除く): 2603407

約数列:

[1, 11, 67, 139, 211, 737, 1529, 2321, 9313, 14137, 29329, 102443, 155507, 322619, 1965043, 21615473]

約数ペア:

[(1, 21615473), (11, 1965043), (67, 322619), (139, 155507), (211, 102443), (737, 29329), (1529, 14137), (2321, 9313)]