21654133070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{362291}}^1$

素因数の和:362480

約数の個数: 32

約数和(自身を含む): 40170936960

約数和(自身を除く): 18516803890

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 430, 695, 1390, 5977, 11954, 29885, 59770, 362291, 724582, 1811455, 3622910, 15578513, 31157026, 50358449, 77892565, 100716898, 155785130, 251792245, 503584490, 2165413307, 4330826614, 10827066535, 21654133070]

約数ペア:

[(1, 21654133070), (2, 10827066535), (5, 4330826614), (10, 2165413307), (43, 503584490), (86, 251792245), (139, 155785130), (215, 100716898), (278, 77892565), (430, 50358449), (695, 31157026), (1390, 15578513), (5977, 3622910), (11954, 1811455), (29885, 724582), (59770, 362291)]