21360426

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2878

約数の個数: 32

約数和(自身を含む): 45190656

約数和(自身を除く): 23830230

約数列:

[1, 2, 3, 6, 31, 41, 62, 82, 93, 123, 186, 246, 1271, 2542, 2801, 3813, 5602, 7626, 8403, 16806, 86831, 114841, 173662, 229682, 260493, 344523, 520986, 689046, 3560071, 7120142, 10680213, 21360426]

約数ペア:

[(1, 21360426), (2, 10680213), (3, 7120142), (6, 3560071), (31, 689046), (41, 520986), (62, 344523), (82, 260493), (93, 229682), (123, 173662), (186, 114841), (246, 86831), (1271, 16806), (2542, 8403), (2801, 7626), (3813, 5602)]