21939654

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 28863546

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 97, 138, 149, 194, 253, 291, 298, 447, 506, 582, 759, 894, 1067, 1518, 1639, 2134, 2231, 3201, 3278, 3427, 4462, 4917, 6402, 6693, 6854, 9834, 10281, 13386, 14453, 20562, 24541, 28906, 37697, 43359, 49082, 73623, 75394, 86718, 113091, 147246, 158983, 226182, 317966, 332419, 476949, 664838, 953898, 997257, 1994514, 3656609, 7313218, 10969827, 21939654]

約数ペア:

[(1, 21939654), (2, 10969827), (3, 7313218), (6, 3656609), (11, 1994514), (22, 997257), (23, 953898), (33, 664838), (46, 476949), (66, 332419), (69, 317966), (97, 226182), (138, 158983), (149, 147246), (194, 113091), (253, 86718), (291, 75394), (298, 73623), (447, 49082), (506, 43359), (582, 37697), (759, 28906), (894, 24541), (1067, 20562), (1518, 14453), (1639, 13386), (2134, 10281), (2231, 9834), (3201, 6854), (3278, 6693), (3427, 6402), (4462, 4917)]