21098916

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3733}}^1$

素因数の和:3900

約数の個数: 36

約数和(自身を含む): 53687452

約数和(自身を除く): 32588536

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3733, 5652, 7466, 11199, 14932, 22398, 33597, 44796, 67194, 134388, 586081, 1172162, 1758243, 2344324, 3516486, 5274729, 7032972, 10549458, 21098916]

約数ペア:

[(1, 21098916), (2, 10549458), (3, 7032972), (4, 5274729), (6, 3516486), (9, 2344324), (12, 1758243), (18, 1172162), (36, 586081), (157, 134388), (314, 67194), (471, 44796), (628, 33597), (942, 22398), (1413, 14932), (1884, 11199), (2826, 7466), (3733, 5652)]