21877524

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4639}}^1$

素因数の和:4780

約数の個数: 36

約数和(自身を含む): 55735680

約数和(自身を除く): 33858156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4639, 4716, 9278, 13917, 18556, 27834, 41751, 55668, 83502, 167004, 607709, 1215418, 1823127, 2430836, 3646254, 5469381, 7292508, 10938762, 21877524]

約数ペア:

[(1, 21877524), (2, 10938762), (3, 7292508), (4, 5469381), (6, 3646254), (9, 2430836), (12, 1823127), (18, 1215418), (36, 607709), (131, 167004), (262, 83502), (393, 55668), (524, 41751), (786, 27834), (1179, 18556), (1572, 13917), (2358, 9278), (4639, 4716)]