21944307

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 38150784

約数和(自身を除く): 16206477

約数列:

[1, 3, 7, 11, 21, 33, 41, 49, 77, 123, 147, 231, 287, 331, 451, 539, 861, 993, 1353, 1617, 2009, 2317, 3157, 3641, 6027, 6951, 9471, 10923, 13571, 16219, 22099, 25487, 40713, 48657, 66297, 76461, 94997, 149281, 178409, 284991, 447843, 535227, 664979, 1044967, 1994937, 3134901, 7314769, 21944307]

約数ペア:

[(1, 21944307), (3, 7314769), (7, 3134901), (11, 1994937), (21, 1044967), (33, 664979), (41, 535227), (49, 447843), (77, 284991), (123, 178409), (147, 149281), (231, 94997), (287, 76461), (331, 66297), (451, 48657), (539, 40713), (861, 25487), (993, 22099), (1353, 16219), (1617, 13571), (2009, 10923), (2317, 9471), (3157, 6951), (3641, 6027)]