21386448

素因数分解:

$2^4\times 3^2\times {\mathrm{148517}}^1$

素因数の和:148531

約数の個数: 30

約数和(自身を含む): 59852754

約数和(自身を除く): 38466306

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 148517, 297034, 445551, 594068, 891102, 1188136, 1336653, 1782204, 2376272, 2673306, 3564408, 5346612, 7128816, 10693224, 21386448]

約数ペア:

[(1, 21386448), (2, 10693224), (3, 7128816), (4, 5346612), (6, 3564408), (8, 2673306), (9, 2376272), (12, 1782204), (16, 1336653), (18, 1188136), (24, 891102), (36, 594068), (48, 445551), (72, 297034), (144, 148517)]