21836940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363949}}^1$

素因数の和:363961

約数の個数: 24

約数和(自身を含む): 61143600

約数和(自身を除く): 39306660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363949, 727898, 1091847, 1455796, 1819745, 2183694, 3639490, 4367388, 5459235, 7278980, 10918470, 21836940]

約数ペア:

[(1, 21836940), (2, 10918470), (3, 7278980), (4, 5459235), (5, 4367388), (6, 3639490), (10, 2183694), (12, 1819745), (15, 1455796), (20, 1091847), (30, 727898), (60, 363949)]