21001668

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1619}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 52254720

約数和(自身を除く): 31253052

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 92, 94, 138, 141, 188, 276, 282, 564, 1081, 1619, 2162, 3238, 3243, 4324, 4857, 6476, 6486, 9714, 12972, 19428, 37237, 74474, 76093, 111711, 148948, 152186, 223422, 228279, 304372, 446844, 456558, 913116, 1750139, 3500278, 5250417, 7000556, 10500834, 21001668]

約数ペア:

[(1, 21001668), (2, 10500834), (3, 7000556), (4, 5250417), (6, 3500278), (12, 1750139), (23, 913116), (46, 456558), (47, 446844), (69, 304372), (92, 228279), (94, 223422), (138, 152186), (141, 148948), (188, 111711), (276, 76093), (282, 74474), (564, 37237), (1081, 19428), (1619, 12972), (2162, 9714), (3238, 6486), (3243, 6476), (4324, 4857)]