21479472

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{7103}}^1$

素因数の和:7127

約数の個数: 80

約数和(自身を含む): 70471680

約数和(自身を除く): 48992208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 7103, 14206, 21309, 28412, 42618, 49721, 56824, 63927, 85236, 99442, 113648, 127854, 149163, 170472, 191781, 198884, 255708, 298326, 340944, 383562, 397768, 447489, 511416, 596652, 767124, 795536, 894978, 1022832, 1193304, 1342467, 1534248, 1789956, 2386608, 2684934, 3068496, 3579912, 5369868, 7159824, 10739736, 21479472]

約数ペア:

[(1, 21479472), (2, 10739736), (3, 7159824), (4, 5369868), (6, 3579912), (7, 3068496), (8, 2684934), (9, 2386608), (12, 1789956), (14, 1534248), (16, 1342467), (18, 1193304), (21, 1022832), (24, 894978), (27, 795536), (28, 767124), (36, 596652), (42, 511416), (48, 447489), (54, 397768), (56, 383562), (63, 340944), (72, 298326), (84, 255708), (108, 198884), (112, 191781), (126, 170472), (144, 149163), (168, 127854), (189, 113648), (216, 99442), (252, 85236), (336, 63927), (378, 56824), (432, 49721), (504, 42618), (756, 28412), (1008, 21309), (1512, 14206), (3024, 7103)]