21903038

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 37329984

約数和(自身を除く): 15426946

約数列:

[1, 2, 17, 23, 34, 37, 46, 74, 391, 629, 757, 782, 851, 1258, 1514, 1702, 12869, 14467, 17411, 25738, 28009, 28934, 34822, 56018, 295987, 476153, 591974, 644207, 952306, 1288414, 10951519, 21903038]

約数ペア:

[(1, 21903038), (2, 10951519), (17, 1288414), (23, 952306), (34, 644207), (37, 591974), (46, 476153), (74, 295987), (391, 56018), (629, 34822), (757, 28934), (782, 28009), (851, 25738), (1258, 17411), (1514, 14467), (1702, 12869)]