21102046

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 17777954

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 343, 686, 931, 1619, 1862, 3238, 6517, 11333, 13034, 22666, 30761, 61522, 79331, 158662, 215327, 430654, 555317, 1110634, 1507289, 3014578, 10551023, 21102046]

約数ペア:

[(1, 21102046), (2, 10551023), (7, 3014578), (14, 1507289), (19, 1110634), (38, 555317), (49, 430654), (98, 215327), (133, 158662), (266, 79331), (343, 61522), (686, 30761), (931, 22666), (1619, 13034), (1862, 11333), (3238, 6517)]