21748752

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1800

約数の個数: 60

約数和(自身を含む): 61586460

約数和(自身を除く): 39837708

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 1697, 2136, 3204, 3394, 4272, 5091, 6408, 6788, 10182, 12816, 13576, 15273, 20364, 27152, 30546, 40728, 61092, 81456, 122184, 151033, 244368, 302066, 453099, 604132, 906198, 1208264, 1359297, 1812396, 2416528, 2718594, 3624792, 5437188, 7249584, 10874376, 21748752]

約数ペア:

[(1, 21748752), (2, 10874376), (3, 7249584), (4, 5437188), (6, 3624792), (8, 2718594), (9, 2416528), (12, 1812396), (16, 1359297), (18, 1208264), (24, 906198), (36, 604132), (48, 453099), (72, 302066), (89, 244368), (144, 151033), (178, 122184), (267, 81456), (356, 61092), (534, 40728), (712, 30546), (801, 27152), (1068, 20364), (1424, 15273), (1602, 13576), (1697, 12816), (2136, 10182), (3204, 6788), (3394, 6408), (4272, 5091)]