About the Number
21000985
2進数表記:1010000000111001100011001
漢数字表記:二千百万九百八十五
素因数分解:
素因数の和:217
約数の個数: 32
約数和(自身を含む): 27941760
約数和(自身を除く): 6940775
約数列:
[1, 5, 19, 43, 53, 95, 97, 215, 265, 485, 817, 1007, 1843, 2279, 4085, 4171, 5035, 5141, 9215, 11395, 20855, 25705, 43301, 79249, 97679, 216505, 221063, 396245, 488395, 1105315, 4200197, 21000985]
約数ペア:
[(1, 21000985), (5, 4200197), (19, 1105315), (43, 488395), (53, 396245), (95, 221063), (97, 216505), (215, 97679), (265, 79249), (485, 43301), (817, 25705), (1007, 20855), (1843, 11395), (2279, 9215), (4085, 5141), (4171, 5035)]このpageの処理時間: 0.004338502883911133 seconds