21176838

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{13219}}^1$

素因数の和:13316

約数の個数: 24

約数和(自身を含む): 46402200

約数和(自身を除く): 25225362

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 13219, 26438, 39657, 79314, 118971, 237942, 1176491, 2352982, 3529473, 7058946, 10588419, 21176838]

約数ペア:

[(1, 21176838), (2, 10588419), (3, 7058946), (6, 3529473), (9, 2352982), (18, 1176491), (89, 237942), (178, 118971), (267, 79314), (534, 39657), (801, 26438), (1602, 13219)]