21285350

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 20711962

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 83, 115, 166, 223, 230, 415, 446, 575, 830, 1115, 1150, 1909, 2075, 2230, 3818, 4150, 5129, 5575, 9545, 10258, 11150, 18509, 19090, 25645, 37018, 47725, 51290, 92545, 95450, 128225, 185090, 256450, 425707, 462725, 851414, 925450, 2128535, 4257070, 10642675, 21285350]

約数ペア:

[(1, 21285350), (2, 10642675), (5, 4257070), (10, 2128535), (23, 925450), (25, 851414), (46, 462725), (50, 425707), (83, 256450), (115, 185090), (166, 128225), (223, 95450), (230, 92545), (415, 51290), (446, 47725), (575, 37018), (830, 25645), (1115, 19090), (1150, 18509), (1909, 11150), (2075, 10258), (2230, 9545), (3818, 5575), (4150, 5129)]