21469952

素因数分解:

$2^8\times 7^1\times {\mathrm{11981}}^1$

素因数の和:12004

約数の個数: 36

約数和(自身を含む): 48982416

約数和(自身を除く): 27512464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11981, 23962, 47924, 83867, 95848, 167734, 191696, 335468, 383392, 670936, 766784, 1341872, 1533568, 2683744, 3067136, 5367488, 10734976, 21469952]

約数ペア:

[(1, 21469952), (2, 10734976), (4, 5367488), (7, 3067136), (8, 2683744), (14, 1533568), (16, 1341872), (28, 766784), (32, 670936), (56, 383392), (64, 335468), (112, 191696), (128, 167734), (224, 95848), (256, 83867), (448, 47924), (896, 23962), (1792, 11981)]