21655368

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42967}}^1$

素因数の和:42986

約数の個数: 48

約数和(自身を含む): 67030080

約数和(自身を除く): 45374712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42967, 85934, 128901, 171868, 257802, 300769, 343736, 386703, 515604, 601538, 773406, 902307, 1031208, 1203076, 1546812, 1804614, 2406152, 2706921, 3093624, 3609228, 5413842, 7218456, 10827684, 21655368]

約数ペア:

[(1, 21655368), (2, 10827684), (3, 7218456), (4, 5413842), (6, 3609228), (7, 3093624), (8, 2706921), (9, 2406152), (12, 1804614), (14, 1546812), (18, 1203076), (21, 1031208), (24, 902307), (28, 773406), (36, 601538), (42, 515604), (56, 386703), (63, 343736), (72, 300769), (84, 257802), (126, 171868), (168, 128901), (252, 85934), (504, 42967)]