21103438

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4219}}^1$

素因数の和:4323

約数の個数: 16

約数和(自身を含む): 32966640

約数和(自身を除く): 11863202

約数列:

[1, 2, 41, 61, 82, 122, 2501, 4219, 5002, 8438, 172979, 257359, 345958, 514718, 10551719, 21103438]

約数ペア:

[(1, 21103438), (2, 10551719), (41, 514718), (61, 345958), (82, 257359), (122, 172979), (2501, 8438), (4219, 5002)]