21320370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{236893}}^1$

素因数の和:236906

約数の個数: 24

約数和(自身を含む): 55433196

約数和(自身を除く): 34112826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 236893, 473786, 710679, 1184465, 1421358, 2132037, 2368930, 3553395, 4264074, 7106790, 10660185, 21320370]

約数ペア:

[(1, 21320370), (2, 10660185), (3, 7106790), (5, 4264074), (6, 3553395), (9, 2368930), (10, 2132037), (15, 1421358), (18, 1184465), (30, 710679), (45, 473786), (90, 236893)]