21655956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2503}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 58333184

約数和(自身を除く): 36677228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2503, 2884, 4326, 5006, 7509, 8652, 10012, 15018, 17521, 30036, 35042, 52563, 70084, 105126, 210252, 257809, 515618, 773427, 1031236, 1546854, 1804663, 3093708, 3609326, 5413989, 7218652, 10827978, 21655956]

約数ペア:

[(1, 21655956), (2, 10827978), (3, 7218652), (4, 5413989), (6, 3609326), (7, 3093708), (12, 1804663), (14, 1546854), (21, 1031236), (28, 773427), (42, 515618), (84, 257809), (103, 210252), (206, 105126), (309, 70084), (412, 52563), (618, 35042), (721, 30036), (1236, 17521), (1442, 15018), (2163, 10012), (2503, 8652), (2884, 7509), (4326, 5006)]