About the Number

21490750

21490749 ← → 21490751

2進数表記:1010001111110110000111110

漢数字表記:二千百四十九万七百五十

素因数分解:

2 1 × 5 3 × 31 1 × 47 1 × 59 1

素因数の和:154
約数の個数: 64
約数和(自身を含む): 43130880
約数和(自身を除く): 21640130

約数列:
[1, 2, 5, 10, 25, 31, 47, 50, 59, 62, 94, 118, 125, 155, 235, 250, 295, 310, 470, 590, 775, 1175, 1457, 1475, 1550, 1829, 2350, 2773, 2914, 2950, 3658, 3875, 5546, 5875, 7285, 7375, 7750, 9145, 11750, 13865, 14570, 14750, 18290, 27730, 36425, 45725, 69325, 72850, 85963, 91450, 138650, 171926, 182125, 228625, 346625, 364250, 429815, 457250, 693250, 859630, 2149075, 4298150, 10745375, 21490750]

約数ペア:
[(1, 21490750), (2, 10745375), (5, 4298150), (10, 2149075), (25, 859630), (31, 693250), (47, 457250), (50, 429815), (59, 364250), (62, 346625), (94, 228625), (118, 182125), (125, 171926), (155, 138650), (235, 91450), (250, 85963), (295, 72850), (310, 69325), (470, 45725), (590, 36425), (775, 27730), (1175, 18290), (1457, 14750), (1475, 14570), (1550, 13865), (1829, 11750), (2350, 9145), (2773, 7750), (2914, 7375), (2950, 7285), (3658, 5875), (3875, 5546)]

このpageの処理時間: 0.0051076412200927734 seconds