21907528

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 43011000

約数和(自身を除く): 21103472

約数列:

[1, 2, 4, 8, 29, 58, 89, 116, 178, 232, 356, 712, 1061, 2122, 2581, 4244, 5162, 8488, 10324, 20648, 30769, 61538, 94429, 123076, 188858, 246152, 377716, 755432, 2738441, 5476882, 10953764, 21907528]

約数ペア:

[(1, 21907528), (2, 10953764), (4, 5476882), (8, 2738441), (29, 755432), (58, 377716), (89, 246152), (116, 188858), (178, 123076), (232, 94429), (356, 61538), (712, 30769), (1061, 20648), (2122, 10324), (2581, 8488), (4244, 5162)]