21440490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4733}}^1$

素因数の和:4894

約数の個数: 32

約数和(自身を含む): 51808896

約数和(自身を除く): 30368406

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4530, 4733, 9466, 14199, 23665, 28398, 47330, 70995, 141990, 714683, 1429366, 2144049, 3573415, 4288098, 7146830, 10720245, 21440490]

約数ペア:

[(1, 21440490), (2, 10720245), (3, 7146830), (5, 4288098), (6, 3573415), (10, 2144049), (15, 1429366), (30, 714683), (151, 141990), (302, 70995), (453, 47330), (755, 28398), (906, 23665), (1510, 14199), (2265, 9466), (4530, 4733)]