21023270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{929}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 39640320

約数和(自身を除く): 18617050

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 310, 365, 730, 929, 1858, 2263, 4526, 4645, 9290, 11315, 22630, 28799, 57598, 67817, 135634, 143995, 287990, 339085, 678170, 2102327, 4204654, 10511635, 21023270]

約数ペア:

[(1, 21023270), (2, 10511635), (5, 4204654), (10, 2102327), (31, 678170), (62, 339085), (73, 287990), (146, 143995), (155, 135634), (310, 67817), (365, 57598), (730, 28799), (929, 22630), (1858, 11315), (2263, 9290), (4526, 4645)]