21878376

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{70123}}^1$

素因数の和:70145

約数の個数: 32

約数和(自身を含む): 58904160

約数和(自身を除く): 37025784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 70123, 140246, 210369, 280492, 420738, 560984, 841476, 911599, 1682952, 1823198, 2734797, 3646396, 5469594, 7292792, 10939188, 21878376]

約数ペア:

[(1, 21878376), (2, 10939188), (3, 7292792), (4, 5469594), (6, 3646396), (8, 2734797), (12, 1823198), (13, 1682952), (24, 911599), (26, 841476), (39, 560984), (52, 420738), (78, 280492), (104, 210369), (156, 140246), (312, 70123)]