21912840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60869}}^1$

素因数の和:60886

約数の個数: 48

約数和(自身を含む): 71217900

約数和(自身を除く): 49305060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60869, 121738, 182607, 243476, 304345, 365214, 486952, 547821, 608690, 730428, 913035, 1095642, 1217380, 1460856, 1826070, 2191284, 2434760, 2739105, 3652140, 4382568, 5478210, 7304280, 10956420, 21912840]

約数ペア:

[(1, 21912840), (2, 10956420), (3, 7304280), (4, 5478210), (5, 4382568), (6, 3652140), (8, 2739105), (9, 2434760), (10, 2191284), (12, 1826070), (15, 1460856), (18, 1217380), (20, 1095642), (24, 913035), (30, 730428), (36, 608690), (40, 547821), (45, 486952), (60, 365214), (72, 304345), (90, 243476), (120, 182607), (180, 121738), (360, 60869)]