21195804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14843}}^1$

素因数の和:14874

約数の個数: 48

約数和(自身を含む): 59851008

約数和(自身を除く): 38655204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 14843, 29686, 44529, 59372, 89058, 103901, 178116, 207802, 252331, 311703, 415604, 504662, 623406, 756993, 1009324, 1246812, 1513986, 1766317, 3027972, 3532634, 5298951, 7065268, 10597902, 21195804]

約数ペア:

[(1, 21195804), (2, 10597902), (3, 7065268), (4, 5298951), (6, 3532634), (7, 3027972), (12, 1766317), (14, 1513986), (17, 1246812), (21, 1009324), (28, 756993), (34, 623406), (42, 504662), (51, 415604), (68, 311703), (84, 252331), (102, 207802), (119, 178116), (204, 103901), (238, 89058), (357, 59372), (476, 44529), (714, 29686), (1428, 14843)]