21389787457

素因数分解:

${\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1\times {\mathrm{9203}}^1$

素因数の和:10092

約数の個数: 16

約数和(自身を含む): 22513720320

約数和(自身を除く): 1123932863

約数列:

[1, 23, 139, 727, 3197, 9203, 16721, 101053, 211669, 1279217, 2324219, 6690581, 29421991, 153883363, 929990759, 21389787457]

約数ペア:

[(1, 21389787457), (23, 929990759), (139, 153883363), (727, 29421991), (3197, 6690581), (9203, 2324219), (16721, 1279217), (101053, 211669)]