21972608

素因数分解:

$2^7\times 7^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 50673600

約数和(自身を除く): 28700992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 137, 179, 224, 274, 358, 448, 548, 716, 896, 959, 1096, 1253, 1432, 1918, 2192, 2506, 2864, 3836, 4384, 5012, 5728, 7672, 8768, 10024, 11456, 15344, 17536, 20048, 22912, 24523, 30688, 40096, 49046, 61376, 80192, 98092, 122752, 160384, 171661, 196184, 343322, 392368, 686644, 784736, 1373288, 1569472, 2746576, 3138944, 5493152, 10986304, 21972608]

約数ペア:

[(1, 21972608), (2, 10986304), (4, 5493152), (7, 3138944), (8, 2746576), (14, 1569472), (16, 1373288), (28, 784736), (32, 686644), (56, 392368), (64, 343322), (112, 196184), (128, 171661), (137, 160384), (179, 122752), (224, 98092), (274, 80192), (358, 61376), (448, 49046), (548, 40096), (716, 30688), (896, 24523), (959, 22912), (1096, 20048), (1253, 17536), (1432, 15344), (1918, 11456), (2192, 10024), (2506, 8768), (2864, 7672), (3836, 5728), (4384, 5012)]