21308986896

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{44983}}^1$

素因数の和:45204

約数の個数: 80

約数和(自身を含む): 56226401280

約数和(自身を除く): 34917414384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 139, 142, 213, 278, 284, 417, 426, 556, 568, 834, 852, 1112, 1136, 1668, 1704, 2224, 3336, 3408, 6672, 9869, 19738, 29607, 39476, 44983, 59214, 78952, 89966, 118428, 134949, 157904, 179932, 236856, 269898, 359864, 473712, 539796, 719728, 1079592, 2159184, 3193793, 6252637, 6387586, 9581379, 12505274, 12775172, 18757911, 19162758, 25010548, 25550344, 37515822, 38325516, 50021096, 51100688, 75031644, 76651032, 100042192, 150063288, 153302064, 300126576, 443937227, 887874454, 1331811681, 1775748908, 2663623362, 3551497816, 5327246724, 7102995632, 10654493448, 21308986896]

約数ペア:

[(1, 21308986896), (2, 10654493448), (3, 7102995632), (4, 5327246724), (6, 3551497816), (8, 2663623362), (12, 1775748908), (16, 1331811681), (24, 887874454), (48, 443937227), (71, 300126576), (139, 153302064), (142, 150063288), (213, 100042192), (278, 76651032), (284, 75031644), (417, 51100688), (426, 50021096), (556, 38325516), (568, 37515822), (834, 25550344), (852, 25010548), (1112, 19162758), (1136, 18757911), (1668, 12775172), (1704, 12505274), (2224, 9581379), (3336, 6387586), (3408, 6252637), (6672, 3193793), (9869, 2159184), (19738, 1079592), (29607, 719728), (39476, 539796), (44983, 473712), (59214, 359864), (78952, 269898), (89966, 236856), (118428, 179932), (134949, 157904)]