21811090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5879}}^1$

素因数の和:5946

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 23911790

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5879, 11758, 29395, 41153, 58790, 82306, 205765, 311587, 411530, 623174, 1557935, 2181109, 3115870, 4362218, 10905545, 21811090]

約数ペア:

[(1, 21811090), (2, 10905545), (5, 4362218), (7, 3115870), (10, 2181109), (14, 1557935), (35, 623174), (53, 411530), (70, 311587), (106, 205765), (265, 82306), (371, 58790), (530, 41153), (742, 29395), (1855, 11758), (3710, 5879)]