21581046

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{13781}}^1$

素因数の和:13821

約数の個数: 32

約数和(自身を含む): 49615200

約数和(自身を除く): 28034154

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 13781, 27562, 41343, 82686, 124029, 248058, 372087, 399649, 744174, 799298, 1198947, 2397894, 3596841, 7193682, 10790523, 21581046]

約数ペア:

[(1, 21581046), (2, 10790523), (3, 7193682), (6, 3596841), (9, 2397894), (18, 1198947), (27, 799298), (29, 744174), (54, 399649), (58, 372087), (87, 248058), (174, 124029), (261, 82686), (522, 41343), (783, 27562), (1566, 13781)]