21125944

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3461}}^1$

素因数の和:3583

約数の個数: 32

約数和(自身を含む): 45698400

約数和(自身を除く): 24572456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 3461, 6104, 6922, 13844, 24227, 27688, 48454, 96908, 193816, 377249, 754498, 1508996, 2640743, 3017992, 5281486, 10562972, 21125944]

約数ペア:

[(1, 21125944), (2, 10562972), (4, 5281486), (7, 3017992), (8, 2640743), (14, 1508996), (28, 754498), (56, 377249), (109, 193816), (218, 96908), (436, 48454), (763, 27688), (872, 24227), (1526, 13844), (3052, 6922), (3461, 6104)]