21601173

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6481}}^1$

素因数の和:6596

約数の個数: 16

約数和(自身を含む): 31735872

約数和(自身を除く): 10134699

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 6481, 19443, 71291, 213873, 654581, 1963743, 7200391, 21601173]

約数ペア:

[(1, 21601173), (3, 7200391), (11, 1963743), (33, 654581), (101, 213873), (303, 71291), (1111, 19443), (3333, 6481)]