About the Number
21801090
2進数表記:1010011001010100010000010
漢数字表記:二千百八十万千九十
素因数分解:
素因数の和:291
約数の個数: 64
約数和(自身を含む): 54172800
約数和(自身を除く): 32371710
約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 59, 109, 113, 118, 177, 218, 226, 295, 327, 339, 354, 545, 565, 590, 654, 678, 885, 1090, 1130, 1635, 1695, 1770, 3270, 3390, 6431, 6667, 12317, 12862, 13334, 19293, 20001, 24634, 32155, 33335, 36951, 38586, 40002, 61585, 64310, 66670, 73902, 96465, 100005, 123170, 184755, 192930, 200010, 369510, 726703, 1453406, 2180109, 3633515, 4360218, 7267030, 10900545, 21801090]
約数ペア:
[(1, 21801090), (2, 10900545), (3, 7267030), (5, 4360218), (6, 3633515), (10, 2180109), (15, 1453406), (30, 726703), (59, 369510), (109, 200010), (113, 192930), (118, 184755), (177, 123170), (218, 100005), (226, 96465), (295, 73902), (327, 66670), (339, 64310), (354, 61585), (545, 40002), (565, 38586), (590, 36951), (654, 33335), (678, 32155), (885, 24634), (1090, 20001), (1130, 19293), (1635, 13334), (1695, 12862), (1770, 12317), (3270, 6667), (3390, 6431)]このpageの処理時間: 0.01151418685913086 seconds