21930883910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{953}}^1\times {\mathrm{177019}}^1$

素因数の和:177992

約数の個数: 32

約数和(自身を含む): 42557024160

約数和(自身を除く): 20626140250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 953, 1906, 4765, 9530, 12389, 24778, 61945, 123890, 177019, 354038, 885095, 1770190, 2301247, 4602494, 11506235, 23012470, 168699107, 337398214, 843495535, 1686991070, 2193088391, 4386176782, 10965441955, 21930883910]

約数ペア:

[(1, 21930883910), (2, 10965441955), (5, 4386176782), (10, 2193088391), (13, 1686991070), (26, 843495535), (65, 337398214), (130, 168699107), (953, 23012470), (1906, 11506235), (4765, 4602494), (9530, 2301247), (12389, 1770190), (24778, 885095), (61945, 354038), (123890, 177019)]