21685342

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2801}}^1$

素因数の和:2896

約数の個数: 24

約数和(自身を含む): 38331360

約数和(自身を除く): 16646018

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 2801, 3871, 5602, 7742, 19607, 39214, 137249, 221279, 274498, 442558, 1548953, 3097906, 10842671, 21685342]

約数ペア:

[(1, 21685342), (2, 10842671), (7, 3097906), (14, 1548953), (49, 442558), (79, 274498), (98, 221279), (158, 137249), (553, 39214), (1106, 19607), (2801, 7742), (3871, 5602)]