21422583

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8719}}^1$

素因数の和:8748

約数の個数: 32

約数和(自身を含む): 39065600

約数和(自身を除く): 17643017

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8719, 26157, 61033, 78471, 113347, 183099, 235413, 340041, 549297, 793429, 1020123, 1647891, 2380287, 3060369, 7140861, 21422583]

約数ペア:

[(1, 21422583), (3, 7140861), (7, 3060369), (9, 2380287), (13, 1647891), (21, 1020123), (27, 793429), (39, 549297), (63, 340041), (91, 235413), (117, 183099), (189, 113347), (273, 78471), (351, 61033), (819, 26157), (2457, 8719)]