21648270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103087}}^1$

素因数の和:103104

約数の個数: 32

約数和(自身を含む): 59378688

約数和(自身を除く): 37730418

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 103087, 206174, 309261, 515435, 618522, 721609, 1030870, 1443218, 1546305, 2164827, 3092610, 3608045, 4329654, 7216090, 10824135, 21648270]

約数ペア:

[(1, 21648270), (2, 10824135), (3, 7216090), (5, 4329654), (6, 3608045), (7, 3092610), (10, 2164827), (14, 1546305), (15, 1443218), (21, 1030870), (30, 721609), (35, 618522), (42, 515435), (70, 309261), (105, 206174), (210, 103087)]