21681589972

素因数分解:

$2^2\times 7^2\times {\mathrm{547}}^1\times {\mathrm{202231}}^1$

素因数の和:202796

約数の個数: 36

約数和(自身を含む): 44218431264

約数和(自身を除く): 22536841292

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 547, 1094, 2188, 3829, 7658, 15316, 26803, 53606, 107212, 202231, 404462, 808924, 1415617, 2831234, 5662468, 9909319, 19818638, 39637276, 110620357, 221240714, 442481428, 774342499, 1548684998, 3097369996, 5420397493, 10840794986, 21681589972]

約数ペア:

[(1, 21681589972), (2, 10840794986), (4, 5420397493), (7, 3097369996), (14, 1548684998), (28, 774342499), (49, 442481428), (98, 221240714), (196, 110620357), (547, 39637276), (1094, 19818638), (2188, 9909319), (3829, 5662468), (7658, 2831234), (15316, 1415617), (26803, 808924), (53606, 404462), (107212, 202231)]