21595308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{811}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 57840384

約数和(自身を除く): 36245076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 317, 634, 811, 951, 1268, 1622, 1902, 2219, 2433, 3244, 3804, 4438, 4866, 5677, 6657, 8876, 9732, 11354, 13314, 17031, 22708, 26628, 34062, 68124, 257087, 514174, 771261, 1028348, 1542522, 1799609, 3085044, 3599218, 5398827, 7198436, 10797654, 21595308]

約数ペア:

[(1, 21595308), (2, 10797654), (3, 7198436), (4, 5398827), (6, 3599218), (7, 3085044), (12, 1799609), (14, 1542522), (21, 1028348), (28, 771261), (42, 514174), (84, 257087), (317, 68124), (634, 34062), (811, 26628), (951, 22708), (1268, 17031), (1622, 13314), (1902, 11354), (2219, 9732), (2433, 8876), (3244, 6657), (3804, 5677), (4438, 4866)]