21242816

素因数分解:

$2^6\times 7^1\times {\mathrm{47417}}^1$

素因数の和:47436

約数の個数: 28

約数和(自身を含む): 48176688

約数和(自身を除く): 26933872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 47417, 94834, 189668, 331919, 379336, 663838, 758672, 1327676, 1517344, 2655352, 3034688, 5310704, 10621408, 21242816]

約数ペア:

[(1, 21242816), (2, 10621408), (4, 5310704), (7, 3034688), (8, 2655352), (14, 1517344), (16, 1327676), (28, 758672), (32, 663838), (56, 379336), (64, 331919), (112, 189668), (224, 94834), (448, 47417)]