21072204

素因数分解:

$2^2\times 3^3\times {\mathrm{59}}^1\times {\mathrm{3307}}^1$

素因数の和:3379

約数の個数: 48

約数和(自身を含む): 55574400

約数和(自身を除く): 34502196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 108, 118, 177, 236, 354, 531, 708, 1062, 1593, 2124, 3186, 3307, 6372, 6614, 9921, 13228, 19842, 29763, 39684, 59526, 89289, 119052, 178578, 195113, 357156, 390226, 585339, 780452, 1170678, 1756017, 2341356, 3512034, 5268051, 7024068, 10536102, 21072204]

約数ペア:

[(1, 21072204), (2, 10536102), (3, 7024068), (4, 5268051), (6, 3512034), (9, 2341356), (12, 1756017), (18, 1170678), (27, 780452), (36, 585339), (54, 390226), (59, 357156), (108, 195113), (118, 178578), (177, 119052), (236, 89289), (354, 59526), (531, 39684), (708, 29763), (1062, 19842), (1593, 13228), (2124, 9921), (3186, 6614), (3307, 6372)]