21875670

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:371

約数の個数: 80

約数和(自身を含む): 59590080

約数和(自身を除く): 37714410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 113, 135, 162, 226, 239, 270, 339, 405, 478, 565, 678, 717, 810, 1017, 1130, 1195, 1434, 1695, 2034, 2151, 2390, 3051, 3390, 3585, 4302, 5085, 6102, 6453, 7170, 9153, 10170, 10755, 12906, 15255, 18306, 19359, 21510, 27007, 30510, 32265, 38718, 45765, 54014, 64530, 81021, 91530, 96795, 135035, 162042, 193590, 243063, 270070, 405105, 486126, 729189, 810210, 1215315, 1458378, 2187567, 2430630, 3645945, 4375134, 7291890, 10937835, 21875670]

約数ペア:

[(1, 21875670), (2, 10937835), (3, 7291890), (5, 4375134), (6, 3645945), (9, 2430630), (10, 2187567), (15, 1458378), (18, 1215315), (27, 810210), (30, 729189), (45, 486126), (54, 405105), (81, 270070), (90, 243063), (113, 193590), (135, 162042), (162, 135035), (226, 96795), (239, 91530), (270, 81021), (339, 64530), (405, 54014), (478, 45765), (565, 38718), (678, 32265), (717, 30510), (810, 27007), (1017, 21510), (1130, 19359), (1195, 18306), (1434, 15255), (1695, 12906), (2034, 10755), (2151, 10170), (2390, 9153), (3051, 7170), (3390, 6453), (3585, 6102), (4302, 5085)]