21476358987

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2393}}^1\times {\mathrm{2399}}^1$

素因数の和:4867

約数の個数: 32

約数和(自身を含む): 30336768000

約数和(自身を除く): 8860409013

約数列:

[1, 3, 29, 43, 87, 129, 1247, 2393, 2399, 3741, 7179, 7197, 69397, 69571, 102899, 103157, 208191, 208713, 308697, 309471, 2984071, 2991553, 5740807, 8952213, 8974659, 17222421, 166483403, 246854701, 499450209, 740564103, 7158786329, 21476358987]

約数ペア:

[(1, 21476358987), (3, 7158786329), (29, 740564103), (43, 499450209), (87, 246854701), (129, 166483403), (1247, 17222421), (2393, 8974659), (2399, 8952213), (3741, 5740807), (7179, 2991553), (7197, 2984071), (69397, 309471), (69571, 308697), (102899, 208713), (103157, 208191)]