21001194

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6823}}^1$

素因数の和:6856

約数の個数: 40

約数和(自身を含む): 49542240

約数和(自身を除く): 28541046

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 6823, 13646, 20469, 40938, 61407, 122814, 129637, 184221, 259274, 368442, 388911, 552663, 777822, 1105326, 1166733, 2333466, 3500199, 7000398, 10500597, 21001194]

約数ペア:

[(1, 21001194), (2, 10500597), (3, 7000398), (6, 3500199), (9, 2333466), (18, 1166733), (19, 1105326), (27, 777822), (38, 552663), (54, 388911), (57, 368442), (81, 259274), (114, 184221), (162, 129637), (171, 122814), (342, 61407), (513, 40938), (1026, 20469), (1539, 13646), (3078, 6823)]