21578711966

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90666857}}^1$

素因数の和:90666883

約数の個数: 16

約数和(自身を含む): 39168082656

約数和(自身を除く): 17589370690

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90666857, 181333714, 634667999, 1269335998, 1541336569, 3082673138, 10789355983, 21578711966]

約数ペア:

[(1, 21578711966), (2, 10789355983), (7, 3082673138), (14, 1541336569), (17, 1269335998), (34, 634667999), (119, 181333714), (238, 90666857)]