21230190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{235891}}^1$

素因数の和:235904

約数の個数: 24

約数和(自身を含む): 55198728

約数和(自身を除く): 33968538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 235891, 471782, 707673, 1179455, 1415346, 2123019, 2358910, 3538365, 4246038, 7076730, 10615095, 21230190]

約数ペア:

[(1, 21230190), (2, 10615095), (3, 7076730), (5, 4246038), (6, 3538365), (9, 2358910), (10, 2123019), (15, 1415346), (18, 1179455), (30, 707673), (45, 471782), (90, 235891)]