21392190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{237691}}^1$

素因数の和:237704

約数の個数: 24

約数和(自身を含む): 55619928

約数和(自身を除く): 34227738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 237691, 475382, 713073, 1188455, 1426146, 2139219, 2376910, 3565365, 4278438, 7130730, 10696095, 21392190]

約数ペア:

[(1, 21392190), (2, 10696095), (3, 7130730), (5, 4278438), (6, 3565365), (9, 2376910), (10, 2139219), (15, 1426146), (18, 1188455), (30, 713073), (45, 475382), (90, 237691)]