21763840

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{347}}^1$

素因数の和:382

約数の個数: 108

約数和(自身を含む): 60817176

約数和(自身を除く): 39053336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 347, 392, 448, 490, 560, 640, 694, 784, 896, 980, 1120, 1280, 1388, 1568, 1735, 1792, 1960, 2240, 2429, 2776, 3136, 3470, 3920, 4480, 4858, 5552, 6272, 6940, 7840, 8960, 9716, 11104, 12145, 12544, 13880, 15680, 17003, 19432, 22208, 24290, 27760, 31360, 34006, 38864, 44416, 48580, 55520, 62720, 68012, 77728, 85015, 88832, 97160, 111040, 136024, 155456, 170030, 194320, 222080, 272048, 310912, 340060, 388640, 444160, 544096, 621824, 680120, 777280, 1088192, 1360240, 1554560, 2176384, 2720480, 3109120, 4352768, 5440960, 10881920, 21763840]

約数ペア:

[(1, 21763840), (2, 10881920), (4, 5440960), (5, 4352768), (7, 3109120), (8, 2720480), (10, 2176384), (14, 1554560), (16, 1360240), (20, 1088192), (28, 777280), (32, 680120), (35, 621824), (40, 544096), (49, 444160), (56, 388640), (64, 340060), (70, 310912), (80, 272048), (98, 222080), (112, 194320), (128, 170030), (140, 155456), (160, 136024), (196, 111040), (224, 97160), (245, 88832), (256, 85015), (280, 77728), (320, 68012), (347, 62720), (392, 55520), (448, 48580), (490, 44416), (560, 38864), (640, 34006), (694, 31360), (784, 27760), (896, 24290), (980, 22208), (1120, 19432), (1280, 17003), (1388, 15680), (1568, 13880), (1735, 12544), (1792, 12145), (1960, 11104), (2240, 9716), (2429, 8960), (2776, 7840), (3136, 6940), (3470, 6272), (3920, 5552), (4480, 4858)]