21913668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86959}}^1$

素因数の和:86976

約数の個数: 36

約数和(自身を含む): 63306880

約数和(自身を除く): 41393212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86959, 173918, 260877, 347836, 521754, 608713, 782631, 1043508, 1217426, 1565262, 1826139, 2434852, 3130524, 3652278, 5478417, 7304556, 10956834, 21913668]

約数ペア:

[(1, 21913668), (2, 10956834), (3, 7304556), (4, 5478417), (6, 3652278), (7, 3130524), (9, 2434852), (12, 1826139), (14, 1565262), (18, 1217426), (21, 1043508), (28, 782631), (36, 608713), (42, 521754), (63, 347836), (84, 260877), (126, 173918), (252, 86959)]