21474446

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{607}}^1$

素因数の和:661

約数の個数: 36

約数和(自身を含む): 39611808

約数和(自身を除く): 18137362

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 361, 607, 722, 931, 1214, 1862, 2527, 4249, 5054, 8498, 11533, 17689, 23066, 29743, 35378, 59486, 80731, 161462, 219127, 438254, 565117, 1130234, 1533889, 3067778, 10737223, 21474446]

約数ペア:

[(1, 21474446), (2, 10737223), (7, 3067778), (14, 1533889), (19, 1130234), (38, 565117), (49, 438254), (98, 219127), (133, 161462), (266, 80731), (361, 59486), (607, 35378), (722, 29743), (931, 23066), (1214, 17689), (1862, 11533), (2527, 8498), (4249, 5054)]