21759894

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 52684800

約数和(自身を除く): 30924906

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 139, 223, 234, 278, 351, 417, 446, 669, 702, 834, 1251, 1338, 1807, 2007, 2502, 2899, 3614, 3753, 4014, 5421, 5798, 6021, 7506, 8697, 10842, 12042, 16263, 17394, 26091, 30997, 32526, 48789, 52182, 61994, 78273, 92991, 97578, 156546, 185982, 278973, 402961, 557946, 805922, 836919, 1208883, 1673838, 2417766, 3626649, 7253298, 10879947, 21759894]

約数ペア:

[(1, 21759894), (2, 10879947), (3, 7253298), (6, 3626649), (9, 2417766), (13, 1673838), (18, 1208883), (26, 836919), (27, 805922), (39, 557946), (54, 402961), (78, 278973), (117, 185982), (139, 156546), (223, 97578), (234, 92991), (278, 78273), (351, 61994), (417, 52182), (446, 48789), (669, 32526), (702, 30997), (834, 26091), (1251, 17394), (1338, 16263), (1807, 12042), (2007, 10842), (2502, 8697), (2899, 7506), (3614, 6021), (3753, 5798), (4014, 5421)]