21235806

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2061

約数の個数: 48

約数和(自身を含む): 50019840

約数和(自身を除く): 28784034

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 279, 342, 558, 589, 1178, 1767, 2003, 3534, 4006, 5301, 6009, 10602, 12018, 18027, 36054, 38057, 62093, 76114, 114171, 124186, 186279, 228342, 342513, 372558, 558837, 685026, 1117674, 1179767, 2359534, 3539301, 7078602, 10617903, 21235806]

約数ペア:

[(1, 21235806), (2, 10617903), (3, 7078602), (6, 3539301), (9, 2359534), (18, 1179767), (19, 1117674), (31, 685026), (38, 558837), (57, 372558), (62, 342513), (93, 228342), (114, 186279), (171, 124186), (186, 114171), (279, 76114), (342, 62093), (558, 38057), (589, 36054), (1178, 18027), (1767, 12018), (2003, 10602), (3534, 6009), (4006, 5301)]