21210606

素因数分解:

$2^1\times 3^3\times {\mathrm{101}}^1\times {\mathrm{3889}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 47613600

約数和(自身を除く): 26402994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 101, 202, 303, 606, 909, 1818, 2727, 3889, 5454, 7778, 11667, 23334, 35001, 70002, 105003, 210006, 392789, 785578, 1178367, 2356734, 3535101, 7070202, 10605303, 21210606]

約数ペア:

[(1, 21210606), (2, 10605303), (3, 7070202), (6, 3535101), (9, 2356734), (18, 1178367), (27, 785578), (54, 392789), (101, 210006), (202, 105003), (303, 70002), (606, 35001), (909, 23334), (1818, 11667), (2727, 7778), (3889, 5454)]