21859740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5783}}^1$

素因数の和:5808

約数の個数: 96

約数和(自身を含む): 77736960

約数和(自身を除く): 55877220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5783, 11566, 17349, 23132, 28915, 34698, 40481, 52047, 57830, 69396, 80962, 86745, 104094, 115660, 121443, 156141, 161924, 173490, 202405, 208188, 242886, 260235, 312282, 346980, 364329, 404810, 485772, 520470, 607215, 624564, 728658, 780705, 809620, 1040940, 1092987, 1214430, 1457316, 1561410, 1821645, 2185974, 2428860, 3122820, 3643290, 4371948, 5464935, 7286580, 10929870, 21859740]

約数ペア:

[(1, 21859740), (2, 10929870), (3, 7286580), (4, 5464935), (5, 4371948), (6, 3643290), (7, 3122820), (9, 2428860), (10, 2185974), (12, 1821645), (14, 1561410), (15, 1457316), (18, 1214430), (20, 1092987), (21, 1040940), (27, 809620), (28, 780705), (30, 728658), (35, 624564), (36, 607215), (42, 520470), (45, 485772), (54, 404810), (60, 364329), (63, 346980), (70, 312282), (84, 260235), (90, 242886), (105, 208188), (108, 202405), (126, 173490), (135, 161924), (140, 156141), (180, 121443), (189, 115660), (210, 104094), (252, 86745), (270, 80962), (315, 69396), (378, 57830), (420, 52047), (540, 40481), (630, 34698), (756, 28915), (945, 23132), (1260, 17349), (1890, 11566), (3780, 5783)]