21494376

素因数分解:

$2^3\times 3^3\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 60134400

約数和(自身を除く): 38640024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 191, 216, 382, 521, 573, 764, 1042, 1146, 1528, 1563, 1719, 2084, 2292, 3126, 3438, 4168, 4584, 4689, 5157, 6252, 6876, 9378, 10314, 12504, 13752, 14067, 18756, 20628, 28134, 37512, 41256, 56268, 99511, 112536, 199022, 298533, 398044, 597066, 796088, 895599, 1194132, 1791198, 2388264, 2686797, 3582396, 5373594, 7164792, 10747188, 21494376]

約数ペア:

[(1, 21494376), (2, 10747188), (3, 7164792), (4, 5373594), (6, 3582396), (8, 2686797), (9, 2388264), (12, 1791198), (18, 1194132), (24, 895599), (27, 796088), (36, 597066), (54, 398044), (72, 298533), (108, 199022), (191, 112536), (216, 99511), (382, 56268), (521, 41256), (573, 37512), (764, 28134), (1042, 20628), (1146, 18756), (1528, 14067), (1563, 13752), (1719, 12504), (2084, 10314), (2292, 9378), (3126, 6876), (3438, 6252), (4168, 5157), (4584, 4689)]