21790450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39619}}^1$

素因数の和:39642

約数の個数: 24

約数和(自身を含む): 44215920

約数和(自身を除く): 22425470

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39619, 79238, 198095, 396190, 435809, 871618, 990475, 1980950, 2179045, 4358090, 10895225, 21790450]

約数ペア:

[(1, 21790450), (2, 10895225), (5, 4358090), (10, 2179045), (11, 1980950), (22, 990475), (25, 871618), (50, 435809), (55, 396190), (110, 198095), (275, 79238), (550, 39619)]