21830520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1669}}^1$

素因数の和:1792

約数の個数: 64

約数和(自身を含む): 66132000

約数和(自身を除く): 44301480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1669, 2180, 2616, 3270, 3338, 4360, 5007, 6540, 6676, 8345, 10014, 13080, 13352, 16690, 20028, 25035, 33380, 40056, 50070, 66760, 100140, 181921, 200280, 363842, 545763, 727684, 909605, 1091526, 1455368, 1819210, 2183052, 2728815, 3638420, 4366104, 5457630, 7276840, 10915260, 21830520]

約数ペア:

[(1, 21830520), (2, 10915260), (3, 7276840), (4, 5457630), (5, 4366104), (6, 3638420), (8, 2728815), (10, 2183052), (12, 1819210), (15, 1455368), (20, 1091526), (24, 909605), (30, 727684), (40, 545763), (60, 363842), (109, 200280), (120, 181921), (218, 100140), (327, 66760), (436, 50070), (545, 40056), (654, 33380), (872, 25035), (1090, 20028), (1308, 16690), (1635, 13352), (1669, 13080), (2180, 10014), (2616, 8345), (3270, 6676), (3338, 6540), (4360, 5007)]