21129216

素因数分解:

$2^{11}\times 3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 59623200

約数和(自身を除く): 38493984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 181, 192, 228, 256, 304, 362, 384, 456, 512, 543, 608, 724, 768, 912, 1024, 1086, 1216, 1448, 1536, 1824, 2048, 2172, 2432, 2896, 3072, 3439, 3648, 4344, 4864, 5792, 6144, 6878, 7296, 8688, 9728, 10317, 11584, 13756, 14592, 17376, 19456, 20634, 23168, 27512, 29184, 34752, 38912, 41268, 46336, 55024, 58368, 69504, 82536, 92672, 110048, 116736, 139008, 165072, 185344, 220096, 278016, 330144, 370688, 440192, 556032, 660288, 880384, 1112064, 1320576, 1760768, 2641152, 3521536, 5282304, 7043072, 10564608, 21129216]

約数ペア:

[(1, 21129216), (2, 10564608), (3, 7043072), (4, 5282304), (6, 3521536), (8, 2641152), (12, 1760768), (16, 1320576), (19, 1112064), (24, 880384), (32, 660288), (38, 556032), (48, 440192), (57, 370688), (64, 330144), (76, 278016), (96, 220096), (114, 185344), (128, 165072), (152, 139008), (181, 116736), (192, 110048), (228, 92672), (256, 82536), (304, 69504), (362, 58368), (384, 55024), (456, 46336), (512, 41268), (543, 38912), (608, 34752), (724, 29184), (768, 27512), (912, 23168), (1024, 20634), (1086, 19456), (1216, 17376), (1448, 14592), (1536, 13756), (1824, 11584), (2048, 10317), (2172, 9728), (2432, 8688), (2896, 7296), (3072, 6878), (3439, 6144), (3648, 5792), (4344, 4864)]