21197190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{523}}^1$

素因数の和:733

約数の個数: 64

約数和(自身を含む): 58553856

約数和(自身を除く): 37356666

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 193, 210, 386, 523, 579, 965, 1046, 1158, 1351, 1569, 1930, 2615, 2702, 2895, 3138, 3661, 4053, 5230, 5790, 6755, 7322, 7845, 8106, 10983, 13510, 15690, 18305, 20265, 21966, 36610, 40530, 54915, 100939, 109830, 201878, 302817, 504695, 605634, 706573, 1009390, 1413146, 1514085, 2119719, 3028170, 3532865, 4239438, 7065730, 10598595, 21197190]

約数ペア:

[(1, 21197190), (2, 10598595), (3, 7065730), (5, 4239438), (6, 3532865), (7, 3028170), (10, 2119719), (14, 1514085), (15, 1413146), (21, 1009390), (30, 706573), (35, 605634), (42, 504695), (70, 302817), (105, 201878), (193, 109830), (210, 100939), (386, 54915), (523, 40530), (579, 36610), (965, 21966), (1046, 20265), (1158, 18305), (1351, 15690), (1569, 13510), (1930, 10983), (2615, 8106), (2702, 7845), (2895, 7322), (3138, 6755), (3661, 5790), (4053, 5230)]