21661224

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{69427}}^1$

素因数の和:69449

約数の個数: 32

約数和(自身を含む): 58319520

約数和(自身を除く): 36658296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 69427, 138854, 208281, 277708, 416562, 555416, 833124, 902551, 1666248, 1805102, 2707653, 3610204, 5415306, 7220408, 10830612, 21661224]

約数ペア:

[(1, 21661224), (2, 10830612), (3, 7220408), (4, 5415306), (6, 3610204), (8, 2707653), (12, 1805102), (13, 1666248), (24, 902551), (26, 833124), (39, 555416), (52, 416562), (78, 277708), (104, 208281), (156, 138854), (312, 69427)]