21012327168

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{3908543}}^1$

素因数の和:3908569

約数の個数: 72

約数和(自身を含む): 63912511488

約数和(自身を除く): 42900184320

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 5376, 3908543, 7817086, 11725629, 15634172, 23451258, 27359801, 31268344, 46902516, 54719602, 62536688, 82079403, 93805032, 109439204, 125073376, 164158806, 187610064, 218878408, 250146752, 328317612, 375220128, 437756816, 500293504, 656635224, 750440256, 875513632, 1000587008, 1313270448, 1500880512, 1751027264, 2626540896, 3001761024, 3502054528, 5253081792, 7004109056, 10506163584, 21012327168]

約数ペア:

[(1, 21012327168), (2, 10506163584), (3, 7004109056), (4, 5253081792), (6, 3502054528), (7, 3001761024), (8, 2626540896), (12, 1751027264), (14, 1500880512), (16, 1313270448), (21, 1000587008), (24, 875513632), (28, 750440256), (32, 656635224), (42, 500293504), (48, 437756816), (56, 375220128), (64, 328317612), (84, 250146752), (96, 218878408), (112, 187610064), (128, 164158806), (168, 125073376), (192, 109439204), (224, 93805032), (256, 82079403), (336, 62536688), (384, 54719602), (448, 46902516), (672, 31268344), (768, 27359801), (896, 23451258), (1344, 15634172), (1792, 11725629), (2688, 7817086), (5376, 3908543)]