21138312

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67751}}^1$

素因数の和:67773

約数の個数: 32

約数和(自身を含む): 56911680

約数和(自身を除く): 35773368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67751, 135502, 203253, 271004, 406506, 542008, 813012, 880763, 1626024, 1761526, 2642289, 3523052, 5284578, 7046104, 10569156, 21138312]

約数ペア:

[(1, 21138312), (2, 10569156), (3, 7046104), (4, 5284578), (6, 3523052), (8, 2642289), (12, 1761526), (13, 1626024), (24, 880763), (26, 813012), (39, 542008), (52, 406506), (78, 271004), (104, 203253), (156, 135502), (312, 67751)]