21787264782

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{232457}}^1$

素因数の和:232633

約数の個数: 48

約数和(自身を含む): 48738074112

約数和(自身を除く): 26950809330

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 127, 246, 254, 369, 381, 738, 762, 1143, 2286, 5207, 10414, 15621, 31242, 46863, 93726, 232457, 464914, 697371, 1394742, 2092113, 4184226, 9530737, 19061474, 28592211, 29522039, 57184422, 59044078, 85776633, 88566117, 171553266, 177132234, 265698351, 531396702, 1210403599, 2420807198, 3631210797, 7262421594, 10893632391, 21787264782]

約数ペア:

[(1, 21787264782), (2, 10893632391), (3, 7262421594), (6, 3631210797), (9, 2420807198), (18, 1210403599), (41, 531396702), (82, 265698351), (123, 177132234), (127, 171553266), (246, 88566117), (254, 85776633), (369, 59044078), (381, 57184422), (738, 29522039), (762, 28592211), (1143, 19061474), (2286, 9530737), (5207, 4184226), (10414, 2092113), (15621, 1394742), (31242, 697371), (46863, 464914), (93726, 232457)]