21120552

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15439}}^1$

素因数の和:15470

約数の個数: 48

約数和(自身を含む): 60216000

約数和(自身を除く): 39095448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15439, 30878, 46317, 61756, 92634, 123512, 138951, 185268, 277902, 293341, 370536, 555804, 586682, 880023, 1111608, 1173364, 1760046, 2346728, 2640069, 3520092, 5280138, 7040184, 10560276, 21120552]

約数ペア:

[(1, 21120552), (2, 10560276), (3, 7040184), (4, 5280138), (6, 3520092), (8, 2640069), (9, 2346728), (12, 1760046), (18, 1173364), (19, 1111608), (24, 880023), (36, 586682), (38, 555804), (57, 370536), (72, 293341), (76, 277902), (114, 185268), (152, 138951), (171, 123512), (228, 92634), (342, 61756), (456, 46317), (684, 30878), (1368, 15439)]