21367386

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7561}}^1$

素因数の和:7726

約数の個数: 24

約数和(自身を含む): 46597044

約数和(自身を除く): 25229658

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 7561, 15122, 22683, 45366, 68049, 136098, 1187077, 2374154, 3561231, 7122462, 10683693, 21367386]

約数ペア:

[(1, 21367386), (2, 10683693), (3, 7122462), (6, 3561231), (9, 2374154), (18, 1187077), (157, 136098), (314, 68049), (471, 45366), (942, 22683), (1413, 15122), (2826, 7561)]