21231792

素因数分解:

$2^4\times 3^2\times {\mathrm{283}}^1\times {\mathrm{521}}^1$

素因数の和:818

約数の個数: 60

約数和(自身を含む): 59743944

約数和(自身を除く): 38512152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 283, 521, 566, 849, 1042, 1132, 1563, 1698, 2084, 2264, 2547, 3126, 3396, 4168, 4528, 4689, 5094, 6252, 6792, 8336, 9378, 10188, 12504, 13584, 18756, 20376, 25008, 37512, 40752, 75024, 147443, 294886, 442329, 589772, 884658, 1179544, 1326987, 1769316, 2359088, 2653974, 3538632, 5307948, 7077264, 10615896, 21231792]

約数ペア:

[(1, 21231792), (2, 10615896), (3, 7077264), (4, 5307948), (6, 3538632), (8, 2653974), (9, 2359088), (12, 1769316), (16, 1326987), (18, 1179544), (24, 884658), (36, 589772), (48, 442329), (72, 294886), (144, 147443), (283, 75024), (521, 40752), (566, 37512), (849, 25008), (1042, 20376), (1132, 18756), (1563, 13584), (1698, 12504), (2084, 10188), (2264, 9378), (2547, 8336), (3126, 6792), (3396, 6252), (4168, 5094), (4528, 4689)]