21776680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18773}}^1$

素因数の和:18813

約数の個数: 32

約数和(自身を含む): 50689800

約数和(自身を除く): 28913120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 18773, 37546, 75092, 93865, 150184, 187730, 375460, 544417, 750920, 1088834, 2177668, 2722085, 4355336, 5444170, 10888340, 21776680]

約数ペア:

[(1, 21776680), (2, 10888340), (4, 5444170), (5, 4355336), (8, 2722085), (10, 2177668), (20, 1088834), (29, 750920), (40, 544417), (58, 375460), (116, 187730), (145, 150184), (232, 93865), (290, 75092), (580, 37546), (1160, 18773)]