21276047234

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1\times {\mathrm{6389}}^1$

素因数の和:7154

約数の個数: 32

約数和(自身を含む): 34575932160

約数和(自身を除く): 13299884926

約数列:

[1, 2, 13, 26, 263, 487, 526, 974, 3419, 6331, 6389, 6838, 12662, 12778, 83057, 128081, 166114, 256162, 1665053, 1680307, 3111443, 3330106, 3360614, 6222886, 21843991, 40448759, 43687982, 80897518, 818309509, 1636619018, 10638023617, 21276047234]

約数ペア:

[(1, 21276047234), (2, 10638023617), (13, 1636619018), (26, 818309509), (263, 80897518), (487, 43687982), (526, 40448759), (974, 21843991), (3419, 6222886), (6331, 3360614), (6389, 3330106), (6838, 3111443), (12662, 1680307), (12778, 1665053), (83057, 256162), (128081, 166114)]