21869897995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{56171}}^1\times {\mathrm{7079}}^1$

素因数の和:63266

約数の個数: 16

約数和(自身を含む): 28634238720

約数和(自身を除く): 6764340725

約数列:

[1, 5, 11, 55, 7079, 35395, 56171, 77869, 280855, 389345, 617881, 3089405, 397634509, 1988172545, 4373979599, 21869897995]

約数ペア:

[(1, 21869897995), (5, 4373979599), (11, 1988172545), (55, 397634509), (7079, 3089405), (35395, 617881), (56171, 389345), (77869, 280855)]