21818664

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43291}}^1$

素因数の和:43310

約数の個数: 48

約数和(自身を含む): 67535520

約数和(自身を除く): 45716856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 43291, 86582, 129873, 173164, 259746, 303037, 346328, 389619, 519492, 606074, 779238, 909111, 1038984, 1212148, 1558476, 1818222, 2424296, 2727333, 3116952, 3636444, 5454666, 7272888, 10909332, 21818664]

約数ペア:

[(1, 21818664), (2, 10909332), (3, 7272888), (4, 5454666), (6, 3636444), (7, 3116952), (8, 2727333), (9, 2424296), (12, 1818222), (14, 1558476), (18, 1212148), (21, 1038984), (24, 909111), (28, 779238), (36, 606074), (42, 519492), (56, 389619), (63, 346328), (72, 303037), (84, 259746), (126, 173164), (168, 129873), (252, 86582), (504, 43291)]