21949120

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{607}}^1$

素因数の和:737

約数の個数: 56

約数和(自身を含む): 52815744

約数和(自身を除く): 30866624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 320, 452, 565, 607, 904, 1130, 1214, 1808, 2260, 2428, 3035, 3616, 4520, 4856, 6070, 7232, 9040, 9712, 12140, 18080, 19424, 24280, 36160, 38848, 48560, 68591, 97120, 137182, 194240, 274364, 342955, 548728, 685910, 1097456, 1371820, 2194912, 2743640, 4389824, 5487280, 10974560, 21949120]

約数ペア:

[(1, 21949120), (2, 10974560), (4, 5487280), (5, 4389824), (8, 2743640), (10, 2194912), (16, 1371820), (20, 1097456), (32, 685910), (40, 548728), (64, 342955), (80, 274364), (113, 194240), (160, 137182), (226, 97120), (320, 68591), (452, 48560), (565, 38848), (607, 36160), (904, 24280), (1130, 19424), (1214, 18080), (1808, 12140), (2260, 9712), (2428, 9040), (3035, 7232), (3616, 6070), (4520, 4856)]