21646896

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 58281984

約数和(自身を除く): 36635088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 67, 106, 127, 134, 159, 201, 212, 254, 268, 318, 381, 402, 424, 508, 536, 636, 762, 804, 848, 1016, 1072, 1272, 1524, 1608, 2032, 2544, 3048, 3216, 3551, 6096, 6731, 7102, 8509, 10653, 13462, 14204, 17018, 20193, 21306, 25527, 26924, 28408, 34036, 40386, 42612, 51054, 53848, 56816, 68072, 80772, 85224, 102108, 107696, 136144, 161544, 170448, 204216, 323088, 408432, 450977, 901954, 1352931, 1803908, 2705862, 3607816, 5411724, 7215632, 10823448, 21646896]

約数ペア:

[(1, 21646896), (2, 10823448), (3, 7215632), (4, 5411724), (6, 3607816), (8, 2705862), (12, 1803908), (16, 1352931), (24, 901954), (48, 450977), (53, 408432), (67, 323088), (106, 204216), (127, 170448), (134, 161544), (159, 136144), (201, 107696), (212, 102108), (254, 85224), (268, 80772), (318, 68072), (381, 56816), (402, 53848), (424, 51054), (508, 42612), (536, 40386), (636, 34036), (762, 28408), (804, 26924), (848, 25527), (1016, 21306), (1072, 20193), (1272, 17018), (1524, 14204), (1608, 13462), (2032, 10653), (2544, 8509), (3048, 7102), (3216, 6731), (3551, 6096)]