21207457154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{654107}}^1$

素因数の和:654194

約数の個数: 32

約数和(自身を含む): 36263747520

約数和(自身を除く): 15056290366

約数列:

[1, 2, 13, 26, 29, 43, 58, 86, 377, 559, 754, 1118, 1247, 2494, 16211, 32422, 654107, 1308214, 8503391, 17006782, 18969103, 28126601, 37938206, 56253202, 246598339, 365645813, 493196678, 731291626, 815671429, 1631342858, 10603728577, 21207457154]

約数ペア:

[(1, 21207457154), (2, 10603728577), (13, 1631342858), (26, 815671429), (29, 731291626), (43, 493196678), (58, 365645813), (86, 246598339), (377, 56253202), (559, 37938206), (754, 28126601), (1118, 18969103), (1247, 17006782), (2494, 8503391), (16211, 1308214), (32422, 654107)]