21409314

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2803}}^1$

素因数の和:2894

約数の個数: 32

約数和(自身を含む): 45761280

約数和(自身を除く): 24351966

約数列:

[1, 2, 3, 6, 19, 38, 57, 67, 114, 134, 201, 402, 1273, 2546, 2803, 3819, 5606, 7638, 8409, 16818, 53257, 106514, 159771, 187801, 319542, 375602, 563403, 1126806, 3568219, 7136438, 10704657, 21409314]

約数ペア:

[(1, 21409314), (2, 10704657), (3, 7136438), (6, 3568219), (19, 1126806), (38, 563403), (57, 375602), (67, 319542), (114, 187801), (134, 159771), (201, 106514), (402, 53257), (1273, 16818), (2546, 8409), (2803, 7638), (3819, 5606)]