21539982

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1567}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 23618418

約数列:

[1, 2, 3, 6, 29, 58, 79, 87, 158, 174, 237, 474, 1567, 2291, 3134, 4582, 4701, 6873, 9402, 13746, 45443, 90886, 123793, 136329, 247586, 272658, 371379, 742758, 3589997, 7179994, 10769991, 21539982]

約数ペア:

[(1, 21539982), (2, 10769991), (3, 7179994), (6, 3589997), (29, 742758), (58, 371379), (79, 272658), (87, 247586), (158, 136329), (174, 123793), (237, 90886), (474, 45443), (1567, 13746), (2291, 9402), (3134, 6873), (4582, 4701)]