21291354

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4567}}^1$

素因数の和:4619

約数の個数: 48

約数和(自身を含む): 54158208

約数和(自身を除く): 32866854

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4567, 4662, 9134, 13701, 27402, 31969, 41103, 63938, 82206, 95907, 168979, 191814, 287721, 337958, 506937, 575442, 1013874, 1182853, 1520811, 2365706, 3041622, 3548559, 7097118, 10645677, 21291354]

約数ペア:

[(1, 21291354), (2, 10645677), (3, 7097118), (6, 3548559), (7, 3041622), (9, 2365706), (14, 1520811), (18, 1182853), (21, 1013874), (37, 575442), (42, 506937), (63, 337958), (74, 287721), (111, 191814), (126, 168979), (222, 95907), (259, 82206), (333, 63938), (518, 41103), (666, 31969), (777, 27402), (1554, 13701), (2331, 9134), (4567, 4662)]