21240132

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1877}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 53004672

約数和(自身を除く): 31764540

約数列:

[1, 2, 3, 4, 6, 12, 23, 41, 46, 69, 82, 92, 123, 138, 164, 246, 276, 492, 943, 1877, 1886, 2829, 3754, 3772, 5631, 5658, 7508, 11262, 11316, 22524, 43171, 76957, 86342, 129513, 153914, 172684, 230871, 259026, 307828, 461742, 518052, 923484, 1770011, 3540022, 5310033, 7080044, 10620066, 21240132]

約数ペア:

[(1, 21240132), (2, 10620066), (3, 7080044), (4, 5310033), (6, 3540022), (12, 1770011), (23, 923484), (41, 518052), (46, 461742), (69, 307828), (82, 259026), (92, 230871), (123, 172684), (138, 153914), (164, 129513), (246, 86342), (276, 76957), (492, 43171), (943, 22524), (1877, 11316), (1886, 11262), (2829, 7508), (3754, 5658), (3772, 5631)]