21079423044

素因数分解:

$2^2\times 3^3\times {\mathrm{647}}^1\times {\mathrm{301669}}^1$

素因数の和:302329

約数の個数: 48

約数和(自身を含む): 54735004800

約数和(自身を除く): 33655581756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 647, 1294, 1941, 2588, 3882, 5823, 7764, 11646, 17469, 23292, 34938, 69876, 301669, 603338, 905007, 1206676, 1810014, 2715021, 3620028, 5430042, 8145063, 10860084, 16290126, 32580252, 195179843, 390359686, 585539529, 780719372, 1171079058, 1756618587, 2342158116, 3513237174, 5269855761, 7026474348, 10539711522, 21079423044]

約数ペア:

[(1, 21079423044), (2, 10539711522), (3, 7026474348), (4, 5269855761), (6, 3513237174), (9, 2342158116), (12, 1756618587), (18, 1171079058), (27, 780719372), (36, 585539529), (54, 390359686), (108, 195179843), (647, 32580252), (1294, 16290126), (1941, 10860084), (2588, 8145063), (3882, 5430042), (5823, 3620028), (7764, 2715021), (11646, 1810014), (17469, 1206676), (23292, 905007), (34938, 603338), (69876, 301669)]