21552056

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4283}}^1$

素因数の和:4343

約数の個数: 32

約数和(自身を含む): 43953840

約数和(自身を除く): 22401784

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 4283, 5032, 8566, 17132, 34264, 72811, 145622, 158471, 291244, 316942, 582488, 633884, 1267768, 2694007, 5388014, 10776028, 21552056]

約数ペア:

[(1, 21552056), (2, 10776028), (4, 5388014), (8, 2694007), (17, 1267768), (34, 633884), (37, 582488), (68, 316942), (74, 291244), (136, 158471), (148, 145622), (296, 72811), (629, 34264), (1258, 17132), (2516, 8566), (4283, 5032)]