21602808

素因数分解:

$2^3\times 3^3\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 39049992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 103, 108, 206, 216, 309, 412, 618, 824, 927, 971, 1236, 1854, 1942, 2472, 2781, 2913, 3708, 3884, 5562, 5826, 7416, 7768, 8739, 11124, 11652, 17478, 22248, 23304, 26217, 34956, 52434, 69912, 100013, 104868, 200026, 209736, 300039, 400052, 600078, 800104, 900117, 1200156, 1800234, 2400312, 2700351, 3600468, 5400702, 7200936, 10801404, 21602808]

約数ペア:

[(1, 21602808), (2, 10801404), (3, 7200936), (4, 5400702), (6, 3600468), (8, 2700351), (9, 2400312), (12, 1800234), (18, 1200156), (24, 900117), (27, 800104), (36, 600078), (54, 400052), (72, 300039), (103, 209736), (108, 200026), (206, 104868), (216, 100013), (309, 69912), (412, 52434), (618, 34956), (824, 26217), (927, 23304), (971, 22248), (1236, 17478), (1854, 11652), (1942, 11124), (2472, 8739), (2781, 7768), (2913, 7416), (3708, 5826), (3884, 5562)]