21507060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1033}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 60451776

約数和(自身を除く): 38944716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347, 694, 1033, 1041, 1388, 1735, 2066, 2082, 3099, 3470, 4132, 4164, 5165, 5205, 6198, 6940, 10330, 10410, 12396, 15495, 20660, 20820, 30990, 61980, 358451, 716902, 1075353, 1433804, 1792255, 2150706, 3584510, 4301412, 5376765, 7169020, 10753530, 21507060]

約数ペア:

[(1, 21507060), (2, 10753530), (3, 7169020), (4, 5376765), (5, 4301412), (6, 3584510), (10, 2150706), (12, 1792255), (15, 1433804), (20, 1075353), (30, 716902), (60, 358451), (347, 61980), (694, 30990), (1033, 20820), (1041, 20660), (1388, 15495), (1735, 12396), (2066, 10410), (2082, 10330), (3099, 6940), (3470, 6198), (4132, 5205), (4164, 5165)]