21490806

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 22861194

約数列:

[1, 2, 3, 6, 41, 82, 123, 199, 246, 398, 439, 597, 878, 1194, 1317, 2634, 8159, 16318, 17999, 24477, 35998, 48954, 53997, 87361, 107994, 174722, 262083, 524166, 3581801, 7163602, 10745403, 21490806]

約数ペア:

[(1, 21490806), (2, 10745403), (3, 7163602), (6, 3581801), (41, 524166), (82, 262083), (123, 174722), (199, 107994), (246, 87361), (398, 53997), (439, 48954), (597, 35998), (878, 24477), (1194, 17999), (1317, 16318), (2634, 8159)]