21396704

素因数分解:

$2^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1619}}^1$

素因数の和:1695

約数の個数: 48

約数和(自身を含む): 48988800

約数和(自身を除く): 27592096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 112, 118, 224, 236, 413, 472, 826, 944, 1619, 1652, 1888, 3238, 3304, 6476, 6608, 11333, 12952, 13216, 22666, 25904, 45332, 51808, 90664, 95521, 181328, 191042, 362656, 382084, 668647, 764168, 1337294, 1528336, 2674588, 3056672, 5349176, 10698352, 21396704]

約数ペア:

[(1, 21396704), (2, 10698352), (4, 5349176), (7, 3056672), (8, 2674588), (14, 1528336), (16, 1337294), (28, 764168), (32, 668647), (56, 382084), (59, 362656), (112, 191042), (118, 181328), (224, 95521), (236, 90664), (413, 51808), (472, 45332), (826, 25904), (944, 22666), (1619, 13216), (1652, 12952), (1888, 11333), (3238, 6608), (3304, 6476)]