21197992

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 40924800

約数和(自身を除く): 19726808

約数列:

[1, 2, 4, 8, 59, 97, 118, 194, 236, 388, 463, 472, 776, 926, 1852, 3704, 5723, 11446, 22892, 27317, 44911, 45784, 54634, 89822, 109268, 179644, 218536, 359288, 2649749, 5299498, 10598996, 21197992]

約数ペア:

[(1, 21197992), (2, 10598996), (4, 5299498), (8, 2649749), (59, 359288), (97, 218536), (118, 179644), (194, 109268), (236, 89822), (388, 54634), (463, 45784), (472, 44911), (776, 27317), (926, 22892), (1852, 11446), (3704, 5723)]