21021714

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2927}}^1$

素因数の和:2964

約数の個数: 64

約数和(自身を含む): 56217600

約数和(自身を除く): 35195886

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 2927, 3591, 5854, 7182, 8781, 17562, 20489, 26343, 40978, 52686, 55613, 61467, 79029, 111226, 122934, 158058, 166839, 184401, 333678, 368802, 389291, 500517, 553203, 778582, 1001034, 1106406, 1167873, 1501551, 2335746, 3003102, 3503619, 7007238, 10510857, 21021714]

約数ペア:

[(1, 21021714), (2, 10510857), (3, 7007238), (6, 3503619), (7, 3003102), (9, 2335746), (14, 1501551), (18, 1167873), (19, 1106406), (21, 1001034), (27, 778582), (38, 553203), (42, 500517), (54, 389291), (57, 368802), (63, 333678), (114, 184401), (126, 166839), (133, 158058), (171, 122934), (189, 111226), (266, 79029), (342, 61467), (378, 55613), (399, 52686), (513, 40978), (798, 26343), (1026, 20489), (1197, 17562), (2394, 8781), (2927, 7182), (3591, 5854)]