21101049

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1517

約数の個数: 24

約数和(自身を含む): 32078592

約数和(自身を除く): 10977543

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1427, 1643, 4281, 4929, 12843, 14787, 44237, 75631, 132711, 226893, 398133, 680679, 2344561, 7033683, 21101049]

約数ペア:

[(1, 21101049), (3, 7033683), (9, 2344561), (31, 680679), (53, 398133), (93, 226893), (159, 132711), (279, 75631), (477, 44237), (1427, 14787), (1643, 12843), (4281, 4929)]