21359430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 57369600

約数和(自身を除く): 36010170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 239, 270, 331, 478, 662, 717, 993, 1195, 1434, 1655, 1986, 2151, 2390, 2979, 3310, 3585, 4302, 4965, 5958, 6453, 7170, 8937, 9930, 10755, 12906, 14895, 17874, 21510, 29790, 32265, 44685, 64530, 79109, 89370, 158218, 237327, 395545, 474654, 711981, 791090, 1186635, 1423962, 2135943, 2373270, 3559905, 4271886, 7119810, 10679715, 21359430]

約数ペア:

[(1, 21359430), (2, 10679715), (3, 7119810), (5, 4271886), (6, 3559905), (9, 2373270), (10, 2135943), (15, 1423962), (18, 1186635), (27, 791090), (30, 711981), (45, 474654), (54, 395545), (90, 237327), (135, 158218), (239, 89370), (270, 79109), (331, 64530), (478, 44685), (662, 32265), (717, 29790), (993, 21510), (1195, 17874), (1434, 14895), (1655, 12906), (1986, 10755), (2151, 9930), (2390, 8937), (2979, 7170), (3310, 6453), (3585, 5958), (4302, 4965)]