21019698

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{166823}}^1$

素因数の和:166838

約数の個数: 24

約数和(自身を含む): 52049088

約数和(自身を除く): 31029390

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 166823, 333646, 500469, 1000938, 1167761, 1501407, 2335522, 3002814, 3503283, 7006566, 10509849, 21019698]

約数ペア:

[(1, 21019698), (2, 10509849), (3, 7006566), (6, 3503283), (7, 3002814), (9, 2335522), (14, 1501407), (18, 1167761), (21, 1000938), (42, 500469), (63, 333646), (126, 166823)]