21828564

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 59072832

約数和(自身を除く): 37244268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 41, 46, 69, 82, 92, 123, 138, 164, 207, 246, 276, 369, 414, 492, 643, 738, 828, 943, 1286, 1476, 1886, 1929, 2572, 2829, 3772, 3858, 5658, 5787, 7716, 8487, 11316, 11574, 14789, 16974, 23148, 26363, 29578, 33948, 44367, 52726, 59156, 79089, 88734, 105452, 133101, 158178, 177468, 237267, 266202, 316356, 474534, 532404, 606349, 949068, 1212698, 1819047, 2425396, 3638094, 5457141, 7276188, 10914282, 21828564]

約数ペア:

[(1, 21828564), (2, 10914282), (3, 7276188), (4, 5457141), (6, 3638094), (9, 2425396), (12, 1819047), (18, 1212698), (23, 949068), (36, 606349), (41, 532404), (46, 474534), (69, 316356), (82, 266202), (92, 237267), (123, 177468), (138, 158178), (164, 133101), (207, 105452), (246, 88734), (276, 79089), (369, 59156), (414, 52726), (492, 44367), (643, 33948), (738, 29578), (828, 26363), (943, 23148), (1286, 16974), (1476, 14789), (1886, 11574), (1929, 11316), (2572, 8487), (2829, 7716), (3772, 5787), (3858, 5658)]