About the Number

21000918159

21000918158 ← → 21000918160

2進数表記:10011100011110000001001010010001111

漢数字表記:二百十億九十一万八千百五十九

素因数分解:

3 2 × 13 1 × 17 1 × 3187 1 × 3313 1

素因数の和:6536
約数の個数: 48
約数和(自身を含む): 34611044832
約数和(自身を除く): 13610126673

約数列:
[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 3187, 3313, 9561, 9939, 28683, 29817, 41431, 43069, 54179, 56321, 124293, 129207, 162537, 168963, 372879, 387621, 487611, 506889, 704327, 732173, 2112981, 2196519, 6338943, 6589557, 10558531, 31675593, 95026779, 137260903, 179495027, 411782709, 538485081, 1235348127, 1615455243, 2333435351, 7000306053, 21000918159]

約数ペア:
[(1, 21000918159), (3, 7000306053), (9, 2333435351), (13, 1615455243), (17, 1235348127), (39, 538485081), (51, 411782709), (117, 179495027), (153, 137260903), (221, 95026779), (663, 31675593), (1989, 10558531), (3187, 6589557), (3313, 6338943), (9561, 2196519), (9939, 2112981), (28683, 732173), (29817, 704327), (41431, 506889), (43069, 487611), (54179, 387621), (56321, 372879), (124293, 168963), (129207, 162537)]

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