15421623

素因数分解:

$3^1\times 7^4\times {\mathrm{2141}}^1$

素因数の和:2172

約数の個数: 20

約数和(自身を含む): 23998968

約数和(自身を除く): 8577345

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2141, 2401, 6423, 7203, 14987, 44961, 104909, 314727, 734363, 2203089, 5140541, 15421623]

約数ペア:

[(1, 15421623), (3, 5140541), (7, 2203089), (21, 734363), (49, 314727), (147, 104909), (343, 44961), (1029, 14987), (2141, 7203), (2401, 6423)]