21185428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16603}}^1$

素因数の和:16647

約数の個数: 24

約数和(自身を含む): 41842080

約数和(自身を除く): 20656652

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16603, 33206, 66412, 182633, 365266, 481487, 730532, 962974, 1925948, 5296357, 10592714, 21185428]

約数ペア:

[(1, 21185428), (2, 10592714), (4, 5296357), (11, 1925948), (22, 962974), (29, 730532), (44, 481487), (58, 365266), (116, 182633), (319, 66412), (638, 33206), (1276, 16603)]