21647108

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 24075772

約数列:

[1, 2, 4, 7, 14, 28, 29, 53, 58, 106, 116, 203, 212, 371, 406, 503, 742, 812, 1006, 1484, 1537, 2012, 3074, 3521, 6148, 7042, 10759, 14084, 14587, 21518, 26659, 29174, 43036, 53318, 58348, 102109, 106636, 186613, 204218, 373226, 408436, 746452, 773111, 1546222, 3092444, 5411777, 10823554, 21647108]

約数ペア:

[(1, 21647108), (2, 10823554), (4, 5411777), (7, 3092444), (14, 1546222), (28, 773111), (29, 746452), (53, 408436), (58, 373226), (106, 204218), (116, 186613), (203, 106636), (212, 102109), (371, 58348), (406, 53318), (503, 43036), (742, 29174), (812, 26659), (1006, 21518), (1484, 14587), (1537, 14084), (2012, 10759), (3074, 7042), (3521, 6148)]