About the Number

21189012

21189011 ← → 21189013

2進数表記:1010000110101000110010100

漢数字表記:二千百十八万九千十二

素因数分解:

2 2 × 3 1 × 13 1 × 37 1 × 3671 1

素因数の和:3728
約数の個数: 48
約数和(自身を含む): 54698112
約数和(自身を除く): 33509100

約数列:
[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3671, 5772, 7342, 11013, 14684, 22026, 44052, 47723, 95446, 135827, 143169, 190892, 271654, 286338, 407481, 543308, 572676, 814962, 1629924, 1765751, 3531502, 5297253, 7063004, 10594506, 21189012]

約数ペア:
[(1, 21189012), (2, 10594506), (3, 7063004), (4, 5297253), (6, 3531502), (12, 1765751), (13, 1629924), (26, 814962), (37, 572676), (39, 543308), (52, 407481), (74, 286338), (78, 271654), (111, 190892), (148, 143169), (156, 135827), (222, 95446), (444, 47723), (481, 44052), (962, 22026), (1443, 14684), (1924, 11013), (2886, 7342), (3671, 5772)]

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