21378048

素因数分解:

$2^{10}\times 3^1\times {\mathrm{6959}}^1$

素因数の和:6982

約数の個数: 44

約数和(自身を含む): 56988480

約数和(自身を除く): 35610432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 3072, 6959, 13918, 20877, 27836, 41754, 55672, 83508, 111344, 167016, 222688, 334032, 445376, 668064, 890752, 1336128, 1781504, 2672256, 3563008, 5344512, 7126016, 10689024, 21378048]

約数ペア:

[(1, 21378048), (2, 10689024), (3, 7126016), (4, 5344512), (6, 3563008), (8, 2672256), (12, 1781504), (16, 1336128), (24, 890752), (32, 668064), (48, 445376), (64, 334032), (96, 222688), (128, 167016), (192, 111344), (256, 83508), (384, 55672), (512, 41754), (768, 27836), (1024, 20877), (1536, 13918), (3072, 6959)]