About the Number

21917142

21917141 ← → 21917143

2進数表記:1010011100110110111010110

漢数字表記:二千百九十一万七千百四十二

素因数分解:

2 1 × 3 5 × 13 1 × 3469 1

素因数の和:3499
約数の個数: 48
約数和(自身を含む): 53049360
約数和(自身を除く): 31132218

約数列:
[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3159, 3469, 6318, 6938, 10407, 20814, 31221, 45097, 62442, 90194, 93663, 135291, 187326, 270582, 280989, 405873, 561978, 811746, 842967, 1217619, 1685934, 2435238, 3652857, 7305714, 10958571, 21917142]

約数ペア:
[(1, 21917142), (2, 10958571), (3, 7305714), (6, 3652857), (9, 2435238), (13, 1685934), (18, 1217619), (26, 842967), (27, 811746), (39, 561978), (54, 405873), (78, 280989), (81, 270582), (117, 187326), (162, 135291), (234, 93663), (243, 90194), (351, 62442), (486, 45097), (702, 31221), (1053, 20814), (2106, 10407), (3159, 6938), (3469, 6318)]

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