21535206

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6659}}^1$

素因数の和:6689

約数の個数: 48

約数和(自身を含む): 54665280

約数和(自身を除く): 33130074

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 462, 539, 1078, 1617, 3234, 6659, 13318, 19977, 39954, 46613, 73249, 93226, 139839, 146498, 219747, 279678, 326291, 439494, 512743, 652582, 978873, 1025486, 1538229, 1957746, 3076458, 3589201, 7178402, 10767603, 21535206]

約数ペア:

[(1, 21535206), (2, 10767603), (3, 7178402), (6, 3589201), (7, 3076458), (11, 1957746), (14, 1538229), (21, 1025486), (22, 978873), (33, 652582), (42, 512743), (49, 439494), (66, 326291), (77, 279678), (98, 219747), (147, 146498), (154, 139839), (231, 93226), (294, 73249), (462, 46613), (539, 39954), (1078, 19977), (1617, 13318), (3234, 6659)]