21152358

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 48721920

約数和(自身を除く): 27569562

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 127, 171, 254, 342, 381, 487, 762, 974, 1143, 1461, 2286, 2413, 2922, 4383, 4826, 7239, 8766, 9253, 14478, 18506, 21717, 27759, 43434, 55518, 61849, 83277, 123698, 166554, 185547, 371094, 556641, 1113282, 1175131, 2350262, 3525393, 7050786, 10576179, 21152358]

約数ペア:

[(1, 21152358), (2, 10576179), (3, 7050786), (6, 3525393), (9, 2350262), (18, 1175131), (19, 1113282), (38, 556641), (57, 371094), (114, 185547), (127, 166554), (171, 123698), (254, 83277), (342, 61849), (381, 55518), (487, 43434), (762, 27759), (974, 21717), (1143, 18506), (1461, 14478), (2286, 9253), (2413, 8766), (2922, 7239), (4383, 4826)]