21309155928

素因数分解:

$2^3\times 3^2\times {\mathrm{673}}^1\times {\mathrm{439763}}^1$

素因数の和:440448

約数の個数: 48

約数和(自身を含む): 57798182520

約数和(自身を除く): 36489026592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 673, 1346, 2019, 2692, 4038, 5384, 6057, 8076, 12114, 16152, 24228, 48456, 439763, 879526, 1319289, 1759052, 2638578, 3518104, 3957867, 5277156, 7915734, 10554312, 15831468, 31662936, 295960499, 591920998, 887881497, 1183841996, 1775762994, 2367683992, 2663644491, 3551525988, 5327288982, 7103051976, 10654577964, 21309155928]

約数ペア:

[(1, 21309155928), (2, 10654577964), (3, 7103051976), (4, 5327288982), (6, 3551525988), (8, 2663644491), (9, 2367683992), (12, 1775762994), (18, 1183841996), (24, 887881497), (36, 591920998), (72, 295960499), (673, 31662936), (1346, 15831468), (2019, 10554312), (2692, 7915734), (4038, 5277156), (5384, 3957867), (6057, 3518104), (8076, 2638578), (12114, 1759052), (16152, 1319289), (24228, 879526), (48456, 439763)]