21228270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{2063}}^1$

素因数の和:2094

約数の個数: 64

約数和(自身を含む): 59443200

約数和(自身を除く): 38214930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 2063, 3430, 4126, 5145, 6189, 10290, 10315, 12378, 14441, 20630, 28882, 30945, 43323, 61890, 72205, 86646, 101087, 144410, 202174, 216615, 303261, 433230, 505435, 606522, 707609, 1010870, 1415218, 1516305, 2122827, 3032610, 3538045, 4245654, 7076090, 10614135, 21228270]

約数ペア:

[(1, 21228270), (2, 10614135), (3, 7076090), (5, 4245654), (6, 3538045), (7, 3032610), (10, 2122827), (14, 1516305), (15, 1415218), (21, 1010870), (30, 707609), (35, 606522), (42, 505435), (49, 433230), (70, 303261), (98, 216615), (105, 202174), (147, 144410), (210, 101087), (245, 86646), (294, 72205), (343, 61890), (490, 43323), (686, 30945), (735, 28882), (1029, 20630), (1470, 14441), (1715, 12378), (2058, 10315), (2063, 10290), (3430, 6189), (4126, 5145)]