21146658

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{751}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 48134016

約数和(自身を除く): 26987358

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 361, 494, 722, 741, 751, 1083, 1482, 1502, 2166, 2253, 4506, 4693, 9386, 9763, 14079, 14269, 19526, 28158, 28538, 29289, 42807, 58578, 85614, 185497, 271111, 370994, 542222, 556491, 813333, 1112982, 1626666, 3524443, 7048886, 10573329, 21146658]

約数ペア:

[(1, 21146658), (2, 10573329), (3, 7048886), (6, 3524443), (13, 1626666), (19, 1112982), (26, 813333), (38, 556491), (39, 542222), (57, 370994), (78, 271111), (114, 185497), (247, 85614), (361, 58578), (494, 42807), (722, 29289), (741, 28538), (751, 28158), (1083, 19526), (1482, 14269), (1502, 14079), (2166, 9763), (2253, 9386), (4506, 4693)]