21316380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7559}}^1$

素因数の和:7618

約数の個数: 48

約数和(自身を含む): 60963840

約数和(自身を除く): 39647460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7559, 15118, 22677, 30236, 37795, 45354, 75590, 90708, 113385, 151180, 226770, 355273, 453540, 710546, 1065819, 1421092, 1776365, 2131638, 3552730, 4263276, 5329095, 7105460, 10658190, 21316380]

約数ペア:

[(1, 21316380), (2, 10658190), (3, 7105460), (4, 5329095), (5, 4263276), (6, 3552730), (10, 2131638), (12, 1776365), (15, 1421092), (20, 1065819), (30, 710546), (47, 453540), (60, 355273), (94, 226770), (141, 151180), (188, 113385), (235, 90708), (282, 75590), (470, 45354), (564, 37795), (705, 30236), (940, 22677), (1410, 15118), (2820, 7559)]