21946120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11197}}^1$

素因数の和:11222

約数の個数: 48

約数和(自身を含む): 57445740

約数和(自身を除く): 35499620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 11197, 22394, 44788, 55985, 78379, 89576, 111970, 156758, 223940, 313516, 391895, 447880, 548653, 627032, 783790, 1097306, 1567580, 2194612, 2743265, 3135160, 4389224, 5486530, 10973060, 21946120]

約数ペア:

[(1, 21946120), (2, 10973060), (4, 5486530), (5, 4389224), (7, 3135160), (8, 2743265), (10, 2194612), (14, 1567580), (20, 1097306), (28, 783790), (35, 627032), (40, 548653), (49, 447880), (56, 391895), (70, 313516), (98, 223940), (140, 156758), (196, 111970), (245, 89576), (280, 78379), (392, 55985), (490, 44788), (980, 22394), (1960, 11197)]