21480984

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{14207}}^1$

素因数の和:14229

約数の個数: 64

約数和(自身を含む): 68198400

約数和(自身を除く): 46717416

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, 14207, 28414, 42621, 56828, 85242, 99449, 113656, 127863, 170484, 198898, 255726, 298347, 340968, 383589, 397796, 511452, 596694, 767178, 795592, 895041, 1022904, 1193388, 1534356, 1790082, 2386776, 2685123, 3068712, 3580164, 5370246, 7160328, 10740492, 21480984]

約数ペア:

[(1, 21480984), (2, 10740492), (3, 7160328), (4, 5370246), (6, 3580164), (7, 3068712), (8, 2685123), (9, 2386776), (12, 1790082), (14, 1534356), (18, 1193388), (21, 1022904), (24, 895041), (27, 795592), (28, 767178), (36, 596694), (42, 511452), (54, 397796), (56, 383589), (63, 340968), (72, 298347), (84, 255726), (108, 198898), (126, 170484), (168, 127863), (189, 113656), (216, 99449), (252, 85242), (378, 56828), (504, 42621), (756, 28414), (1512, 14207)]