21987696285

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{117371}}^1$

素因数の和:117586

約数の個数: 48

約数和(自身を含む): 39989109888

約数和(自身を除く): 18001413603

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 181, 207, 345, 543, 905, 1035, 1629, 2715, 4163, 8145, 12489, 20815, 37467, 62445, 117371, 187335, 352113, 586855, 1056339, 1760565, 2699533, 5281695, 8098599, 13497665, 21244151, 24295797, 40492995, 63732453, 106220755, 121478985, 191197359, 318662265, 488615473, 955986795, 1465846419, 2443077365, 4397539257, 7329232095, 21987696285]

約数ペア:

[(1, 21987696285), (3, 7329232095), (5, 4397539257), (9, 2443077365), (15, 1465846419), (23, 955986795), (45, 488615473), (69, 318662265), (115, 191197359), (181, 121478985), (207, 106220755), (345, 63732453), (543, 40492995), (905, 24295797), (1035, 21244151), (1629, 13497665), (2715, 8098599), (4163, 5281695), (8145, 2699533), (12489, 1760565), (20815, 1056339), (37467, 586855), (62445, 352113), (117371, 187335)]