21918930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 57950208

約数和(自身を除く): 36031278

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 127, 165, 254, 330, 381, 523, 635, 762, 1046, 1270, 1397, 1569, 1905, 2615, 2794, 3138, 3810, 4191, 5230, 5753, 6985, 7845, 8382, 11506, 13970, 15690, 17259, 20955, 28765, 34518, 41910, 57530, 66421, 86295, 132842, 172590, 199263, 332105, 398526, 664210, 730631, 996315, 1461262, 1992630, 2191893, 3653155, 4383786, 7306310, 10959465, 21918930]

約数ペア:

[(1, 21918930), (2, 10959465), (3, 7306310), (5, 4383786), (6, 3653155), (10, 2191893), (11, 1992630), (15, 1461262), (22, 996315), (30, 730631), (33, 664210), (55, 398526), (66, 332105), (110, 199263), (127, 172590), (165, 132842), (254, 86295), (330, 66421), (381, 57530), (523, 41910), (635, 34518), (762, 28765), (1046, 20955), (1270, 17259), (1397, 15690), (1569, 13970), (1905, 11506), (2615, 8382), (2794, 7845), (3138, 6985), (3810, 5753), (4191, 5230)]