21375750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2591}}^1$

素因数の和:2622

約数の個数: 64

約数和(自身を含む): 58226688

約数和(自身を除く): 36850938

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 125, 150, 165, 250, 275, 330, 375, 550, 750, 825, 1375, 1650, 2591, 2750, 4125, 5182, 7773, 8250, 12955, 15546, 25910, 28501, 38865, 57002, 64775, 77730, 85503, 129550, 142505, 171006, 194325, 285010, 323875, 388650, 427515, 647750, 712525, 855030, 971625, 1425050, 1943250, 2137575, 3562625, 4275150, 7125250, 10687875, 21375750]

約数ペア:

[(1, 21375750), (2, 10687875), (3, 7125250), (5, 4275150), (6, 3562625), (10, 2137575), (11, 1943250), (15, 1425050), (22, 971625), (25, 855030), (30, 712525), (33, 647750), (50, 427515), (55, 388650), (66, 323875), (75, 285010), (110, 194325), (125, 171006), (150, 142505), (165, 129550), (250, 85503), (275, 77730), (330, 64775), (375, 57002), (550, 38865), (750, 28501), (825, 25910), (1375, 15546), (1650, 12955), (2591, 8250), (2750, 7773), (4125, 5182)]