21377754

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{8669}}^1$

素因数の和:8814

約数の個数: 24

約数和(自身を含む): 46661940

約数和(自身を除く): 25284186

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 8669, 17338, 26007, 52014, 78021, 156042, 1187653, 2375306, 3562959, 7125918, 10688877, 21377754]

約数ペア:

[(1, 21377754), (2, 10688877), (3, 7125918), (6, 3562959), (9, 2375306), (18, 1187653), (137, 156042), (274, 78021), (411, 52014), (822, 26007), (1233, 17338), (2466, 8669)]