21623830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 41446080

約数和(自身を除く): 19822250

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 311, 409, 622, 818, 1555, 2045, 3110, 4090, 5287, 6953, 10574, 13906, 26435, 34765, 52870, 69530, 127199, 254398, 635995, 1271990, 2162383, 4324766, 10811915, 21623830]

約数ペア:

[(1, 21623830), (2, 10811915), (5, 4324766), (10, 2162383), (17, 1271990), (34, 635995), (85, 254398), (170, 127199), (311, 69530), (409, 52870), (622, 34765), (818, 26435), (1555, 13906), (2045, 10574), (3110, 6953), (4090, 5287)]