21628590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42409}}^1$

素因数の和:42436

約数の個数: 32

約数和(自身を含む): 54963360

約数和(自身を除く): 33334770

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42409, 84818, 127227, 212045, 254454, 424090, 636135, 720953, 1272270, 1441906, 2162859, 3604765, 4325718, 7209530, 10814295, 21628590]

約数ペア:

[(1, 21628590), (2, 10814295), (3, 7209530), (5, 4325718), (6, 3604765), (10, 2162859), (15, 1441906), (17, 1272270), (30, 720953), (34, 636135), (51, 424090), (85, 254454), (102, 212045), (170, 127227), (255, 84818), (510, 42409)]