22215921

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4283}}^1$

素因数の和:4325

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 16168719

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 4283, 5187, 12849, 29981, 55679, 81377, 89943, 167037, 244131, 389753, 569639, 1057901, 1169259, 1708917, 3173703, 7405307, 22215921]

約数ペア:

[(1, 22215921), (3, 7405307), (7, 3173703), (13, 1708917), (19, 1169259), (21, 1057901), (39, 569639), (57, 389753), (91, 244131), (133, 167037), (247, 89943), (273, 81377), (399, 55679), (741, 29981), (1729, 12849), (4283, 5187)]