21978936

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43609}}^1$

素因数の和:43628

約数の個数: 48

約数和(自身を含む): 68031600

約数和(自身を除く): 46052664

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, 43609, 87218, 130827, 174436, 261654, 305263, 348872, 392481, 523308, 610526, 784962, 915789, 1046616, 1221052, 1569924, 1831578, 2442104, 2747367, 3139848, 3663156, 5494734, 7326312, 10989468, 21978936]

約数ペア:

[(1, 21978936), (2, 10989468), (3, 7326312), (4, 5494734), (6, 3663156), (7, 3139848), (8, 2747367), (9, 2442104), (12, 1831578), (14, 1569924), (18, 1221052), (21, 1046616), (24, 915789), (28, 784962), (36, 610526), (42, 523308), (56, 392481), (63, 348872), (72, 305263), (84, 261654), (126, 174436), (168, 130827), (252, 87218), (504, 43609)]