21095676

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11959}}^1$

素因数の和:11983

約数の個数: 54

約数和(自身を含む): 62036520

約数和(自身を除く): 40940844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11959, 23918, 35877, 47836, 71754, 83713, 107631, 143508, 167426, 215262, 251139, 334852, 430524, 502278, 585991, 753417, 1004556, 1171982, 1506834, 1757973, 2343964, 3013668, 3515946, 5273919, 7031892, 10547838, 21095676]

約数ペア:

[(1, 21095676), (2, 10547838), (3, 7031892), (4, 5273919), (6, 3515946), (7, 3013668), (9, 2343964), (12, 1757973), (14, 1506834), (18, 1171982), (21, 1004556), (28, 753417), (36, 585991), (42, 502278), (49, 430524), (63, 334852), (84, 251139), (98, 215262), (126, 167426), (147, 143508), (196, 107631), (252, 83713), (294, 71754), (441, 47836), (588, 35877), (882, 23918), (1764, 11959)]