21689458

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{5147}}^1$

素因数の和:5206

約数の個数: 24

約数和(自身を含む): 38733552

約数和(自身を除く): 17044094

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 5147, 10294, 36029, 72058, 221321, 252203, 442642, 504406, 1549247, 3098494, 10844729, 21689458]

約数ペア:

[(1, 21689458), (2, 10844729), (7, 3098494), (14, 1549247), (43, 504406), (49, 442642), (86, 252203), (98, 221321), (301, 72058), (602, 36029), (2107, 10294), (4214, 5147)]