21325542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13723}}^1$

素因数の和:13772

約数の個数: 32

約数和(自身を含む): 50065152

約数和(自身を除く): 28739610

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13723, 27446, 41169, 82338, 96061, 192122, 288183, 507751, 576366, 1015502, 1523253, 3046506, 3554257, 7108514, 10662771, 21325542]

約数ペア:

[(1, 21325542), (2, 10662771), (3, 7108514), (6, 3554257), (7, 3046506), (14, 1523253), (21, 1015502), (37, 576366), (42, 507751), (74, 288183), (111, 192122), (222, 96061), (259, 82338), (518, 41169), (777, 27446), (1554, 13723)]