21997082

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2707}}^1$

素因数の和:2965

約数の個数: 16

約数和(自身を含む): 35095680

約数和(自身を除く): 13098598

約数列:

[1, 2, 17, 34, 239, 478, 2707, 4063, 5414, 8126, 46019, 92038, 646973, 1293946, 10998541, 21997082]

約数ペア:

[(1, 21997082), (2, 10998541), (17, 1293946), (34, 646973), (239, 92038), (478, 46019), (2707, 8126), (4063, 5414)]