21118170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9643}}^1$

素因数の和:9726

約数の個数: 32

約数和(自身を含む): 51383232

約数和(自身を除く): 30265062

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9643, 19286, 28929, 48215, 57858, 96430, 144645, 289290, 703939, 1407878, 2111817, 3519695, 4223634, 7039390, 10559085, 21118170]

約数ペア:

[(1, 21118170), (2, 10559085), (3, 7039390), (5, 4223634), (6, 3519695), (10, 2111817), (15, 1407878), (30, 703939), (73, 289290), (146, 144645), (219, 96430), (365, 57858), (438, 48215), (730, 28929), (1095, 19286), (2190, 9643)]