21571908

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 52555776

約数和(自身を除く): 30983868

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 103, 124, 186, 206, 309, 372, 412, 563, 618, 1126, 1236, 1689, 2252, 3193, 3378, 6386, 6756, 9579, 12772, 17453, 19158, 34906, 38316, 52359, 57989, 69812, 104718, 115978, 173967, 209436, 231956, 347934, 695868, 1797659, 3595318, 5392977, 7190636, 10785954, 21571908]

約数ペア:

[(1, 21571908), (2, 10785954), (3, 7190636), (4, 5392977), (6, 3595318), (12, 1797659), (31, 695868), (62, 347934), (93, 231956), (103, 209436), (124, 173967), (186, 115978), (206, 104718), (309, 69812), (372, 57989), (412, 52359), (563, 38316), (618, 34906), (1126, 19158), (1236, 17453), (1689, 12772), (2252, 9579), (3193, 6756), (3378, 6386)]