21041289864

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13916197}}^1$

素因数の和:13916219

約数の個数: 64

約数和(自身を含む): 66797750400

約数和(自身を除く): 45756460536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13916197, 27832394, 41748591, 55664788, 83497182, 97413379, 111329576, 125245773, 166994364, 194826758, 250491546, 292240137, 333988728, 375737319, 389653516, 500983092, 584480274, 751474638, 779307032, 876720411, 1001966184, 1168960548, 1502949276, 1753440822, 2337921096, 2630161233, 3005898552, 3506881644, 5260322466, 7013763288, 10520644932, 21041289864]

約数ペア:

[(1, 21041289864), (2, 10520644932), (3, 7013763288), (4, 5260322466), (6, 3506881644), (7, 3005898552), (8, 2630161233), (9, 2337921096), (12, 1753440822), (14, 1502949276), (18, 1168960548), (21, 1001966184), (24, 876720411), (27, 779307032), (28, 751474638), (36, 584480274), (42, 500983092), (54, 389653516), (56, 375737319), (63, 333988728), (72, 292240137), (84, 250491546), (108, 194826758), (126, 166994364), (168, 125245773), (189, 111329576), (216, 97413379), (252, 83497182), (378, 55664788), (504, 41748591), (756, 27832394), (1512, 13916197)]