21984039

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31723}}^1$

素因数の和:31747

約数の個数: 24

約数和(自身を含む): 39591552

約数和(自身を除く): 17607513

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 31723, 95169, 222061, 285507, 348953, 666183, 1046859, 1998549, 2442671, 3140577, 7328013, 21984039]

約数ペア:

[(1, 21984039), (3, 7328013), (7, 3140577), (9, 2442671), (11, 1998549), (21, 1046859), (33, 666183), (63, 348953), (77, 285507), (99, 222061), (231, 95169), (693, 31723)]