21531678

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73237}}^1$

素因数の和:73256

約数の個数: 24

約数和(自身を含む): 50094792

約数和(自身を除く): 28563114

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 73237, 146474, 219711, 439422, 512659, 1025318, 1537977, 3075954, 3588613, 7177226, 10765839, 21531678]

約数ペア:

[(1, 21531678), (2, 10765839), (3, 7177226), (6, 3588613), (7, 3075954), (14, 1537977), (21, 1025318), (42, 512659), (49, 439422), (98, 219711), (147, 146474), (294, 73237)]