21470070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15227}}^1$

素因数の和:15284

約数の個数: 32

約数和(自身を含む): 52627968

約数和(自身を除く): 31157898

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15227, 30454, 45681, 76135, 91362, 152270, 228405, 456810, 715669, 1431338, 2147007, 3578345, 4294014, 7156690, 10735035, 21470070]

約数ペア:

[(1, 21470070), (2, 10735035), (3, 7156690), (5, 4294014), (6, 3578345), (10, 2147007), (15, 1431338), (30, 715669), (47, 456810), (94, 228405), (141, 152270), (235, 91362), (282, 76135), (470, 45681), (705, 30454), (1410, 15227)]