21361250

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:788

約数の個数: 40

約数和(自身を含む): 41836608

約数和(自身を除く): 20475358

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 625, 743, 1150, 1250, 1486, 2875, 3715, 5750, 7430, 14375, 17089, 18575, 28750, 34178, 37150, 85445, 92875, 170890, 185750, 427225, 464375, 854450, 928750, 2136125, 4272250, 10680625, 21361250]

約数ペア:

[(1, 21361250), (2, 10680625), (5, 4272250), (10, 2136125), (23, 928750), (25, 854450), (46, 464375), (50, 427225), (115, 185750), (125, 170890), (230, 92875), (250, 85445), (575, 37150), (625, 34178), (743, 28750), (1150, 18575), (1250, 17089), (1486, 14375), (2875, 7430), (3715, 5750)]