21892545

素因数分解:

$3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 39133440

約数和(自身を除く): 17240895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 257, 631, 771, 1285, 1893, 2313, 3155, 3855, 5679, 6939, 9465, 11565, 17037, 28395, 34695, 85185, 162167, 486501, 810835, 1459503, 2432505, 4378509, 7297515, 21892545]

約数ペア:

[(1, 21892545), (3, 7297515), (5, 4378509), (9, 2432505), (15, 1459503), (27, 810835), (45, 486501), (135, 162167), (257, 85185), (631, 34695), (771, 28395), (1285, 17037), (1893, 11565), (2313, 9465), (3155, 6939), (3855, 5679)]