21020916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13171}}^1$

素因数の和:13204

約数の個数: 48

約数和(自身を含む): 59010560

約数和(自身を除く): 37989644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13171, 26342, 39513, 52684, 79026, 92197, 158052, 184394, 250249, 276591, 368788, 500498, 553182, 750747, 1000996, 1106364, 1501494, 1751743, 3002988, 3503486, 5255229, 7006972, 10510458, 21020916]

約数ペア:

[(1, 21020916), (2, 10510458), (3, 7006972), (4, 5255229), (6, 3503486), (7, 3002988), (12, 1751743), (14, 1501494), (19, 1106364), (21, 1000996), (28, 750747), (38, 553182), (42, 500498), (57, 368788), (76, 276591), (84, 250249), (114, 184394), (133, 158052), (228, 92197), (266, 79026), (399, 52684), (532, 39513), (798, 26342), (1596, 13171)]