21873228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4523}}^1$

素因数の和:4574

約数の個数: 48

約数和(自身を含む): 56749056

約数和(自身を除く): 34875828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4523, 4836, 9046, 13569, 18092, 27138, 54276, 58799, 117598, 140213, 176397, 235196, 280426, 352794, 420639, 560852, 705588, 841278, 1682556, 1822769, 3645538, 5468307, 7291076, 10936614, 21873228]

約数ペア:

[(1, 21873228), (2, 10936614), (3, 7291076), (4, 5468307), (6, 3645538), (12, 1822769), (13, 1682556), (26, 841278), (31, 705588), (39, 560852), (52, 420639), (62, 352794), (78, 280426), (93, 235196), (124, 176397), (156, 140213), (186, 117598), (372, 58799), (403, 54276), (806, 27138), (1209, 18092), (1612, 13569), (2418, 9046), (4523, 4836)]