21472860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2143}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 60512256

約数和(自身を除く): 39039396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 2004, 2143, 2505, 3340, 4286, 5010, 6429, 8572, 10020, 10715, 12858, 21430, 25716, 32145, 42860, 64290, 128580, 357881, 715762, 1073643, 1431524, 1789405, 2147286, 3578810, 4294572, 5368215, 7157620, 10736430, 21472860]

約数ペア:

[(1, 21472860), (2, 10736430), (3, 7157620), (4, 5368215), (5, 4294572), (6, 3578810), (10, 2147286), (12, 1789405), (15, 1431524), (20, 1073643), (30, 715762), (60, 357881), (167, 128580), (334, 64290), (501, 42860), (668, 32145), (835, 25716), (1002, 21430), (1670, 12858), (2004, 10715), (2143, 10020), (2505, 8572), (3340, 6429), (4286, 5010)]