21651100

素因数分解:

$2^2\times 5^2\times {\mathrm{317}}^1\times {\mathrm{683}}^1$

素因数の和:1014

約数の個数: 36

約数和(自身を含む): 47200104

約数和(自身を除く): 25549004

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 317, 634, 683, 1268, 1366, 1585, 2732, 3170, 3415, 6340, 6830, 7925, 13660, 15850, 17075, 31700, 34150, 68300, 216511, 433022, 866044, 1082555, 2165110, 4330220, 5412775, 10825550, 21651100]

約数ペア:

[(1, 21651100), (2, 10825550), (4, 5412775), (5, 4330220), (10, 2165110), (20, 1082555), (25, 866044), (50, 433022), (100, 216511), (317, 68300), (634, 34150), (683, 31700), (1268, 17075), (1366, 15850), (1585, 13660), (2732, 7925), (3170, 6830), (3415, 6340)]