21181464

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7951}}^1$

素因数の和:8000

約数の個数: 48

約数和(自身を含む): 58924320

約数和(自身を除く): 37742856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7951, 15902, 23853, 31804, 47706, 63608, 71559, 95412, 143118, 190824, 286236, 294187, 572472, 588374, 882561, 1176748, 1765122, 2353496, 2647683, 3530244, 5295366, 7060488, 10590732, 21181464]

約数ペア:

[(1, 21181464), (2, 10590732), (3, 7060488), (4, 5295366), (6, 3530244), (8, 2647683), (9, 2353496), (12, 1765122), (18, 1176748), (24, 882561), (36, 588374), (37, 572472), (72, 294187), (74, 286236), (111, 190824), (148, 143118), (222, 95412), (296, 71559), (333, 63608), (444, 47706), (666, 31804), (888, 23853), (1332, 15902), (2664, 7951)]