About the Number

21053650

21053649 ← → 21053651

2進数表記:1010000010100000011010010

漢数字表記:二千百五万三千六百五十

素因数分解:

2 1 × 5 2 × 17 2 × 31 1 × 47 1

素因数の和:124
約数の個数: 72
約数和(自身を含む): 43854336
約数和(自身を除く): 22800686

約数列:
[1, 2, 5, 10, 17, 25, 31, 34, 47, 50, 62, 85, 94, 155, 170, 235, 289, 310, 425, 470, 527, 578, 775, 799, 850, 1054, 1175, 1445, 1457, 1550, 1598, 2350, 2635, 2890, 2914, 3995, 5270, 7225, 7285, 7990, 8959, 13175, 13583, 14450, 14570, 17918, 19975, 24769, 26350, 27166, 36425, 39950, 44795, 49538, 67915, 72850, 89590, 123845, 135830, 223975, 247690, 339575, 421073, 447950, 619225, 679150, 842146, 1238450, 2105365, 4210730, 10526825, 21053650]

約数ペア:
[(1, 21053650), (2, 10526825), (5, 4210730), (10, 2105365), (17, 1238450), (25, 842146), (31, 679150), (34, 619225), (47, 447950), (50, 421073), (62, 339575), (85, 247690), (94, 223975), (155, 135830), (170, 123845), (235, 89590), (289, 72850), (310, 67915), (425, 49538), (470, 44795), (527, 39950), (578, 36425), (775, 27166), (799, 26350), (850, 24769), (1054, 19975), (1175, 17918), (1445, 14570), (1457, 14450), (1550, 13583), (1598, 13175), (2350, 8959), (2635, 7990), (2890, 7285), (2914, 7225), (3995, 5270)]

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