21213150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 61067520

約数和(自身を除く): 39854370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 89, 105, 150, 175, 178, 210, 227, 267, 350, 445, 454, 525, 534, 623, 681, 890, 1050, 1135, 1246, 1335, 1362, 1589, 1869, 2225, 2270, 2670, 3115, 3178, 3405, 3738, 4450, 4767, 5675, 6230, 6675, 6810, 7945, 9345, 9534, 11350, 13350, 15575, 15890, 17025, 18690, 20203, 23835, 31150, 34050, 39725, 40406, 46725, 47670, 60609, 79450, 93450, 101015, 119175, 121218, 141421, 202030, 238350, 282842, 303045, 424263, 505075, 606090, 707105, 848526, 1010150, 1414210, 1515225, 2121315, 3030450, 3535525, 4242630, 7071050, 10606575, 21213150]

約数ペア:

[(1, 21213150), (2, 10606575), (3, 7071050), (5, 4242630), (6, 3535525), (7, 3030450), (10, 2121315), (14, 1515225), (15, 1414210), (21, 1010150), (25, 848526), (30, 707105), (35, 606090), (42, 505075), (50, 424263), (70, 303045), (75, 282842), (89, 238350), (105, 202030), (150, 141421), (175, 121218), (178, 119175), (210, 101015), (227, 93450), (267, 79450), (350, 60609), (445, 47670), (454, 46725), (525, 40406), (534, 39725), (623, 34050), (681, 31150), (890, 23835), (1050, 20203), (1135, 18690), (1246, 17025), (1335, 15890), (1362, 15575), (1589, 13350), (1869, 11350), (2225, 9534), (2270, 9345), (2670, 7945), (3115, 6810), (3178, 6675), (3405, 6230), (3738, 5675), (4450, 4767)]