21362490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{237361}}^1$

素因数の和:237374

約数の個数: 24

約数和(自身を含む): 55542708

約数和(自身を除く): 34180218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 237361, 474722, 712083, 1186805, 1424166, 2136249, 2373610, 3560415, 4272498, 7120830, 10681245, 21362490]

約数ペア:

[(1, 21362490), (2, 10681245), (3, 7120830), (5, 4272498), (6, 3560415), (9, 2373610), (10, 2136249), (15, 1424166), (18, 1186805), (30, 712083), (45, 474722), (90, 237361)]