21511680

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2801}}^1$

素因数の和:2827

約数の個数: 80

約数和(自身を含む): 68794704

約数和(自身を除く): 47283024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2801, 3840, 5602, 7680, 8403, 11204, 14005, 16806, 22408, 28010, 33612, 42015, 44816, 56020, 67224, 84030, 89632, 112040, 134448, 168060, 179264, 224080, 268896, 336120, 358528, 448160, 537792, 672240, 717056, 896320, 1075584, 1344480, 1434112, 1792640, 2151168, 2688960, 3585280, 4302336, 5377920, 7170560, 10755840, 21511680]

約数ペア:

[(1, 21511680), (2, 10755840), (3, 7170560), (4, 5377920), (5, 4302336), (6, 3585280), (8, 2688960), (10, 2151168), (12, 1792640), (15, 1434112), (16, 1344480), (20, 1075584), (24, 896320), (30, 717056), (32, 672240), (40, 537792), (48, 448160), (60, 358528), (64, 336120), (80, 268896), (96, 224080), (120, 179264), (128, 168060), (160, 134448), (192, 112040), (240, 89632), (256, 84030), (320, 67224), (384, 56020), (480, 44816), (512, 42015), (640, 33612), (768, 28010), (960, 22408), (1280, 16806), (1536, 14005), (1920, 11204), (2560, 8403), (2801, 7680), (3840, 5602)]