21358210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1567}}^1$

素因数の和:1650

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19284350

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 470, 1363, 1567, 2726, 3134, 6815, 7835, 13630, 15670, 45443, 73649, 90886, 147298, 227215, 368245, 454430, 736490, 2135821, 4271642, 10679105, 21358210]

約数ペア:

[(1, 21358210), (2, 10679105), (5, 4271642), (10, 2135821), (29, 736490), (47, 454430), (58, 368245), (94, 227215), (145, 147298), (235, 90886), (290, 73649), (470, 45443), (1363, 15670), (1567, 13630), (2726, 7835), (3134, 6815)]