21398016

素因数分解:

$2^9\times 3^1\times {\mathrm{13931}}^1$

素因数の和:13952

約数の個数: 40

約数和(自身を含む): 57009744

約数和(自身を除く): 35611728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13931, 27862, 41793, 55724, 83586, 111448, 167172, 222896, 334344, 445792, 668688, 891584, 1337376, 1783168, 2674752, 3566336, 5349504, 7132672, 10699008, 21398016]

約数ペア:

[(1, 21398016), (2, 10699008), (3, 7132672), (4, 5349504), (6, 3566336), (8, 2674752), (12, 1783168), (16, 1337376), (24, 891584), (32, 668688), (48, 445792), (64, 334344), (96, 222896), (128, 167172), (192, 111448), (256, 83586), (384, 55724), (512, 41793), (768, 27862), (1536, 13931)]