21736960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1213}}^1$

素因数の和:1243

約数の個数: 80

約数和(自身を含む): 59612256

約数和(自身を除く): 37875296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1213, 1280, 1792, 2240, 2426, 2560, 3584, 4480, 4852, 6065, 8491, 8960, 9704, 12130, 16982, 17920, 19408, 24260, 33964, 38816, 42455, 48520, 67928, 77632, 84910, 97040, 135856, 155264, 169820, 194080, 271712, 310528, 339640, 388160, 543424, 621056, 679280, 776320, 1086848, 1358560, 1552640, 2173696, 2717120, 3105280, 4347392, 5434240, 10868480, 21736960]

約数ペア:

[(1, 21736960), (2, 10868480), (4, 5434240), (5, 4347392), (7, 3105280), (8, 2717120), (10, 2173696), (14, 1552640), (16, 1358560), (20, 1086848), (28, 776320), (32, 679280), (35, 621056), (40, 543424), (56, 388160), (64, 339640), (70, 310528), (80, 271712), (112, 194080), (128, 169820), (140, 155264), (160, 135856), (224, 97040), (256, 84910), (280, 77632), (320, 67928), (448, 48520), (512, 42455), (560, 38816), (640, 33964), (896, 24260), (1120, 19408), (1213, 17920), (1280, 16982), (1792, 12130), (2240, 9704), (2426, 8960), (2560, 8491), (3584, 6065), (4480, 4852)]