21569489282

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1103}}^1\times {\mathrm{4253}}^1$

素因数の和:5399

約数の個数: 48

約数和(自身を含む): 37477399680

約数和(自身を除く): 15907910398

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 1103, 2206, 2299, 4253, 4598, 8506, 12133, 20957, 24266, 41914, 46783, 80807, 93566, 133463, 161614, 230527, 266926, 461054, 514613, 888877, 1029226, 1777754, 2535797, 4691059, 5071594, 9382118, 9777647, 19555294, 51601649, 89130121, 103203298, 178260242, 567618139, 980431331, 1135236278, 1960862662, 10784744641, 21569489282]

約数ペア:

[(1, 21569489282), (2, 10784744641), (11, 1960862662), (19, 1135236278), (22, 980431331), (38, 567618139), (121, 178260242), (209, 103203298), (242, 89130121), (418, 51601649), (1103, 19555294), (2206, 9777647), (2299, 9382118), (4253, 5071594), (4598, 4691059), (8506, 2535797), (12133, 1777754), (20957, 1029226), (24266, 888877), (41914, 514613), (46783, 461054), (80807, 266926), (93566, 230527), (133463, 161614)]