21122626

素因数分解:

$2^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 37900800

約数和(自身を除く): 16778174

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 343, 574, 686, 751, 1502, 2009, 4018, 5257, 10514, 14063, 28126, 30791, 36799, 61582, 73598, 215537, 257593, 431074, 515186, 1508759, 3017518, 10561313, 21122626]

約数ペア:

[(1, 21122626), (2, 10561313), (7, 3017518), (14, 1508759), (41, 515186), (49, 431074), (82, 257593), (98, 215537), (287, 73598), (343, 61582), (574, 36799), (686, 30791), (751, 28126), (1502, 14063), (2009, 10514), (4018, 5257)]