21566556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{4951}}^1$

素因数の和:4983

約数の個数: 54

約数和(自身を含む): 59934056

約数和(自身を除く): 38367500

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356, 4951, 9902, 14853, 19804, 29706, 44559, 54461, 59412, 89118, 108922, 163383, 178236, 217844, 326766, 490149, 599071, 653532, 980298, 1198142, 1797213, 1960596, 2396284, 3594426, 5391639, 7188852, 10783278, 21566556]

約数ペア:

[(1, 21566556), (2, 10783278), (3, 7188852), (4, 5391639), (6, 3594426), (9, 2396284), (11, 1960596), (12, 1797213), (18, 1198142), (22, 980298), (33, 653532), (36, 599071), (44, 490149), (66, 326766), (99, 217844), (121, 178236), (132, 163383), (198, 108922), (242, 89118), (363, 59412), (396, 54461), (484, 44559), (726, 29706), (1089, 19804), (1452, 14853), (2178, 9902), (4356, 4951)]