21178592

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{6823}}^1$

素因数の和:6930

約数の個数: 24

約数和(自身を含む): 42131376

約数和(自身を除く): 20952784

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 6823, 13646, 27292, 54584, 109168, 218336, 661831, 1323662, 2647324, 5294648, 10589296, 21178592]

約数ペア:

[(1, 21178592), (2, 10589296), (4, 5294648), (8, 2647324), (16, 1323662), (32, 661831), (97, 218336), (194, 109168), (388, 54584), (776, 27292), (1552, 13646), (3104, 6823)]