21508224

素因数分解:

$2^7\times 3^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 57936000

約数和(自身を除く): 36427776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 128, 158, 192, 237, 316, 384, 474, 632, 709, 948, 1264, 1418, 1896, 2127, 2528, 2836, 3792, 4254, 5056, 5672, 7584, 8508, 10112, 11344, 15168, 17016, 22688, 30336, 34032, 45376, 56011, 68064, 90752, 112022, 136128, 168033, 224044, 272256, 336066, 448088, 672132, 896176, 1344264, 1792352, 2688528, 3584704, 5377056, 7169408, 10754112, 21508224]

約数ペア:

[(1, 21508224), (2, 10754112), (3, 7169408), (4, 5377056), (6, 3584704), (8, 2688528), (12, 1792352), (16, 1344264), (24, 896176), (32, 672132), (48, 448088), (64, 336066), (79, 272256), (96, 224044), (128, 168033), (158, 136128), (192, 112022), (237, 90752), (316, 68064), (384, 56011), (474, 45376), (632, 34032), (709, 30336), (948, 22688), (1264, 17016), (1418, 15168), (1896, 11344), (2127, 10112), (2528, 8508), (2836, 7584), (3792, 5672), (4254, 5056)]