21499572

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 53246592

約数和(自身を除く): 31747020

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 61, 69, 92, 122, 138, 183, 244, 276, 366, 732, 1277, 1403, 2554, 2806, 3831, 4209, 5108, 5612, 7662, 8418, 15324, 16836, 29371, 58742, 77897, 88113, 117484, 155794, 176226, 233691, 311588, 352452, 467382, 934764, 1791631, 3583262, 5374893, 7166524, 10749786, 21499572]

約数ペア:

[(1, 21499572), (2, 10749786), (3, 7166524), (4, 5374893), (6, 3583262), (12, 1791631), (23, 934764), (46, 467382), (61, 352452), (69, 311588), (92, 233691), (122, 176226), (138, 155794), (183, 117484), (244, 88113), (276, 77897), (366, 58742), (732, 29371), (1277, 16836), (1403, 15324), (2554, 8418), (2806, 7662), (3831, 5612), (4209, 5108)]