21755610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1483}}^1$

素因数の和:1659

約数の個数: 48

約数和(自身を含む): 56949984

約数和(自身を除く): 35194374

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 163, 326, 489, 815, 978, 1467, 1483, 1630, 2445, 2934, 2966, 4449, 4890, 7335, 7415, 8898, 13347, 14670, 14830, 22245, 26694, 44490, 66735, 133470, 241729, 483458, 725187, 1208645, 1450374, 2175561, 2417290, 3625935, 4351122, 7251870, 10877805, 21755610]

約数ペア:

[(1, 21755610), (2, 10877805), (3, 7251870), (5, 4351122), (6, 3625935), (9, 2417290), (10, 2175561), (15, 1450374), (18, 1208645), (30, 725187), (45, 483458), (90, 241729), (163, 133470), (326, 66735), (489, 44490), (815, 26694), (978, 22245), (1467, 14830), (1483, 14670), (1630, 13347), (2445, 8898), (2934, 7415), (2966, 7335), (4449, 4890)]