21597282

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{947}}^1$

素因数の和:1143

約数の個数: 48

約数和(自身を含む): 53831232

約数和(自身を除く): 32233950

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 181, 362, 543, 947, 1086, 1267, 1629, 1894, 2534, 2841, 3258, 3801, 5682, 6629, 7602, 8523, 11403, 13258, 17046, 19887, 22806, 39774, 59661, 119322, 171407, 342814, 514221, 1028442, 1199849, 1542663, 2399698, 3085326, 3599547, 7199094, 10798641, 21597282]

約数ペア:

[(1, 21597282), (2, 10798641), (3, 7199094), (6, 3599547), (7, 3085326), (9, 2399698), (14, 1542663), (18, 1199849), (21, 1028442), (42, 514221), (63, 342814), (126, 171407), (181, 119322), (362, 59661), (543, 39774), (947, 22806), (1086, 19887), (1267, 17046), (1629, 13258), (1894, 11403), (2534, 8523), (2841, 7602), (3258, 6629), (3801, 5682)]