21281150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38693}}^1$

素因数の和:38716

約数の個数: 24

約数和(自身を含む): 43182504

約数和(自身を除く): 21901354

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38693, 77386, 193465, 386930, 425623, 851246, 967325, 1934650, 2128115, 4256230, 10640575, 21281150]

約数ペア:

[(1, 21281150), (2, 10640575), (5, 4256230), (10, 2128115), (11, 1934650), (22, 967325), (25, 851246), (50, 425623), (55, 386930), (110, 193465), (275, 77386), (550, 38693)]