21721446

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{7057}}^1$

素因数の和:7090

約数の個数: 40

約数和(自身を含む): 51241080

約数和(自身を除く): 29519634

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 7057, 14114, 21171, 42342, 63513, 127026, 134083, 190539, 268166, 381078, 402249, 571617, 804498, 1143234, 1206747, 2413494, 3620241, 7240482, 10860723, 21721446]

約数ペア:

[(1, 21721446), (2, 10860723), (3, 7240482), (6, 3620241), (9, 2413494), (18, 1206747), (19, 1143234), (27, 804498), (38, 571617), (54, 402249), (57, 381078), (81, 268166), (114, 190539), (162, 134083), (171, 127026), (342, 63513), (513, 42342), (1026, 21171), (1539, 14114), (3078, 7057)]