About the Number
21388400
2進数表記:1010001100101110001110000
漢数字表記:二千百三十八万八千四百
素因数分解:
素因数の和:4890
約数の個数: 60
約数和(自身を含む): 56068584
約数和(自身を除く): 34680184
約数列:
[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4861, 9722, 19444, 24305, 38888, 48610, 53471, 77776, 97220, 106942, 121525, 194440, 213884, 243050, 267355, 388880, 427768, 486100, 534710, 855536, 972200, 1069420, 1336775, 1944400, 2138840, 2673550, 4277680, 5347100, 10694200, 21388400]
約数ペア:
[(1, 21388400), (2, 10694200), (4, 5347100), (5, 4277680), (8, 2673550), (10, 2138840), (11, 1944400), (16, 1336775), (20, 1069420), (22, 972200), (25, 855536), (40, 534710), (44, 486100), (50, 427768), (55, 388880), (80, 267355), (88, 243050), (100, 213884), (110, 194440), (176, 121525), (200, 106942), (220, 97220), (275, 77776), (400, 53471), (440, 48610), (550, 38888), (880, 24305), (1100, 19444), (2200, 9722), (4400, 4861)]このpageの処理時間: 0.0673055648803711 seconds