21811374

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5483}}^1$

素因数の和:5521

約数の個数: 48

約数和(自身を含む): 53896752

約数和(自身を除く): 32085378

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5483, 10966, 16449, 32898, 49347, 71279, 93211, 98694, 142558, 186422, 213837, 279633, 427674, 559266, 641511, 838899, 1211743, 1283022, 1677798, 2423486, 3635229, 7270458, 10905687, 21811374]

約数ペア:

[(1, 21811374), (2, 10905687), (3, 7270458), (6, 3635229), (9, 2423486), (13, 1677798), (17, 1283022), (18, 1211743), (26, 838899), (34, 641511), (39, 559266), (51, 427674), (78, 279633), (102, 213837), (117, 186422), (153, 142558), (221, 98694), (234, 93211), (306, 71279), (442, 49347), (663, 32898), (1326, 16449), (1989, 10966), (3978, 5483)]