21661668

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9551}}^1$

素因数の和:9574

約数の個数: 60

約数和(自身を含む): 64724352

約数和(自身を除く): 43062684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9551, 19102, 28653, 38204, 57306, 66857, 85959, 114612, 133714, 171918, 200571, 257877, 267428, 343836, 401142, 515754, 601713, 773631, 802284, 1031508, 1203426, 1547262, 1805139, 2406852, 3094524, 3610278, 5415417, 7220556, 10830834, 21661668]

約数ペア:

[(1, 21661668), (2, 10830834), (3, 7220556), (4, 5415417), (6, 3610278), (7, 3094524), (9, 2406852), (12, 1805139), (14, 1547262), (18, 1203426), (21, 1031508), (27, 802284), (28, 773631), (36, 601713), (42, 515754), (54, 401142), (63, 343836), (81, 267428), (84, 257877), (108, 200571), (126, 171918), (162, 133714), (189, 114612), (252, 85959), (324, 66857), (378, 57306), (567, 38204), (756, 28653), (1134, 19102), (2268, 9551)]