21235998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505619}}^1$

素因数の和:505631

約数の個数: 16

約数和(自身を含む): 48539520

約数和(自身を除く): 27303522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505619, 1011238, 1516857, 3033714, 3539333, 7078666, 10617999, 21235998]

約数ペア:

[(1, 21235998), (2, 10617999), (3, 7078666), (6, 3539333), (7, 3033714), (14, 1516857), (21, 1011238), (42, 505619)]