21604818

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 44662464

約数和(自身を除く): 23057646

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 307, 317, 614, 634, 921, 951, 1842, 1902, 11359, 11729, 22718, 23458, 34077, 35187, 68154, 70374, 97319, 194638, 291957, 583914, 3600803, 7201606, 10802409, 21604818]

約数ペア:

[(1, 21604818), (2, 10802409), (3, 7201606), (6, 3600803), (37, 583914), (74, 291957), (111, 194638), (222, 97319), (307, 70374), (317, 68154), (614, 35187), (634, 34077), (921, 23458), (951, 22718), (1842, 11729), (1902, 11359)]