21816536

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1747}}^1$

素因数の和:1983

約数の個数: 32

約数和(自身を含む): 46986240

約数和(自身を除く): 25169704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1747, 1784, 3122, 3494, 6244, 6988, 12229, 12488, 13976, 24458, 48916, 97832, 389581, 779162, 1558324, 2727067, 3116648, 5454134, 10908268, 21816536]

約数ペア:

[(1, 21816536), (2, 10908268), (4, 5454134), (7, 3116648), (8, 2727067), (14, 1558324), (28, 779162), (56, 389581), (223, 97832), (446, 48916), (892, 24458), (1561, 13976), (1747, 12488), (1784, 12229), (3122, 6988), (3494, 6244)]