21747040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19417}}^1$

素因数の和:19439

約数の個数: 48

約数和(自身を含む): 58720032

約数和(自身を除く): 36972992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19417, 38834, 77668, 97085, 135919, 155336, 194170, 271838, 310672, 388340, 543676, 621344, 679595, 776680, 1087352, 1359190, 1553360, 2174704, 2718380, 3106720, 4349408, 5436760, 10873520, 21747040]

約数ペア:

[(1, 21747040), (2, 10873520), (4, 5436760), (5, 4349408), (7, 3106720), (8, 2718380), (10, 2174704), (14, 1553360), (16, 1359190), (20, 1087352), (28, 776680), (32, 679595), (35, 621344), (40, 543676), (56, 388340), (70, 310672), (80, 271838), (112, 194170), (140, 155336), (160, 135919), (224, 97085), (280, 77668), (560, 38834), (1120, 19417)]