21201228

素因数分解:

$2^2\times 3^2\times {\mathrm{283}}^1\times {\mathrm{2081}}^1$

素因数の和:2374

約数の個数: 36

約数和(自身を含む): 53807208

約数和(自身を除く): 32605980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 283, 566, 849, 1132, 1698, 2081, 2547, 3396, 4162, 5094, 6243, 8324, 10188, 12486, 18729, 24972, 37458, 74916, 588923, 1177846, 1766769, 2355692, 3533538, 5300307, 7067076, 10600614, 21201228]

約数ペア:

[(1, 21201228), (2, 10600614), (3, 7067076), (4, 5300307), (6, 3533538), (9, 2355692), (12, 1766769), (18, 1177846), (36, 588923), (283, 74916), (566, 37458), (849, 24972), (1132, 18729), (1698, 12486), (2081, 10188), (2547, 8324), (3396, 6243), (4162, 5094)]