21661824

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{2969}}^1$

素因数の和:3005

約数の個数: 64

約数和(自身を含む): 60588000

約数和(自身を除く): 38926176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 304, 384, 456, 608, 912, 1216, 1824, 2432, 2969, 3648, 5938, 7296, 8907, 11876, 17814, 23752, 35628, 47504, 56411, 71256, 95008, 112822, 142512, 169233, 190016, 225644, 285024, 338466, 380032, 451288, 570048, 676932, 902576, 1140096, 1353864, 1805152, 2707728, 3610304, 5415456, 7220608, 10830912, 21661824]

約数ペア:

[(1, 21661824), (2, 10830912), (3, 7220608), (4, 5415456), (6, 3610304), (8, 2707728), (12, 1805152), (16, 1353864), (19, 1140096), (24, 902576), (32, 676932), (38, 570048), (48, 451288), (57, 380032), (64, 338466), (76, 285024), (96, 225644), (114, 190016), (128, 169233), (152, 142512), (192, 112822), (228, 95008), (304, 71256), (384, 56411), (456, 47504), (608, 35628), (912, 23752), (1216, 17814), (1824, 11876), (2432, 8907), (2969, 7296), (3648, 5938)]