21867166945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1\times {\mathrm{5897}}^1$

素因数の和:6645

約数の個数: 32

約数和(自身を含む): 28626060960

約数和(自身を除く): 6758894015

約数列:

[1, 5, 13, 65, 89, 445, 641, 1157, 3205, 5785, 5897, 8333, 29485, 41665, 57049, 76661, 285245, 383305, 524833, 741637, 2624165, 3708185, 3779977, 6822829, 18899885, 34114145, 49139701, 245698505, 336417953, 1682089765, 4373433389, 21867166945]

約数ペア:

[(1, 21867166945), (5, 4373433389), (13, 1682089765), (65, 336417953), (89, 245698505), (445, 49139701), (641, 34114145), (1157, 18899885), (3205, 6822829), (5785, 3779977), (5897, 3708185), (8333, 2624165), (29485, 741637), (41665, 524833), (57049, 383305), (76661, 285245)]