21018072

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23669}}^1$

素因数の和:23715

約数の個数: 32

約数和(自身を含む): 53967600

約数和(自身を除く): 32949528

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23669, 47338, 71007, 94676, 142014, 189352, 284028, 568056, 875753, 1751506, 2627259, 3503012, 5254518, 7006024, 10509036, 21018072]

約数ペア:

[(1, 21018072), (2, 10509036), (3, 7006024), (4, 5254518), (6, 3503012), (8, 2627259), (12, 1751506), (24, 875753), (37, 568056), (74, 284028), (111, 189352), (148, 142014), (222, 94676), (296, 71007), (444, 47338), (888, 23669)]