21377808

素因数分解:

$2^4\times 3^2\times {\mathrm{148457}}^1$

素因数の和:148471

約数の個数: 30

約数和(自身を含む): 59828574

約数和(自身を除く): 38450766

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 148457, 296914, 445371, 593828, 890742, 1187656, 1336113, 1781484, 2375312, 2672226, 3562968, 5344452, 7125936, 10688904, 21377808]

約数ペア:

[(1, 21377808), (2, 10688904), (3, 7125936), (4, 5344452), (6, 3562968), (8, 2672226), (9, 2375312), (12, 1781484), (16, 1336113), (18, 1187656), (24, 890742), (36, 593828), (48, 445371), (72, 296914), (144, 148457)]