21033558

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12841}}^1$

素因数の和:12869

約数の個数: 48

約数和(自身を含む): 56093856

約数和(自身を除く): 35060298

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12841, 25682, 38523, 77046, 89887, 115569, 166933, 179774, 231138, 269661, 333866, 500799, 539322, 808983, 1001598, 1168531, 1502397, 1617966, 2337062, 3004794, 3505593, 7011186, 10516779, 21033558]

約数ペア:

[(1, 21033558), (2, 10516779), (3, 7011186), (6, 3505593), (7, 3004794), (9, 2337062), (13, 1617966), (14, 1502397), (18, 1168531), (21, 1001598), (26, 808983), (39, 539322), (42, 500799), (63, 333866), (78, 269661), (91, 231138), (117, 179774), (126, 166933), (182, 115569), (234, 89887), (273, 77046), (546, 38523), (819, 25682), (1638, 12841)]