20921081496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{124530247}}^1$

素因数の和:124530263

約数の個数: 32

約数和(自身を含む): 59774519040

約数和(自身を除く): 38853437544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 124530247, 249060494, 373590741, 498120988, 747181482, 871711729, 996241976, 1494362964, 1743423458, 2615135187, 2988725928, 3486846916, 5230270374, 6973693832, 10460540748, 20921081496]

約数ペア:

[(1, 20921081496), (2, 10460540748), (3, 6973693832), (4, 5230270374), (6, 3486846916), (7, 2988725928), (8, 2615135187), (12, 1743423458), (14, 1494362964), (21, 996241976), (24, 871711729), (28, 747181482), (42, 498120988), (56, 373590741), (84, 249060494), (168, 124530247)]