21000213288

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{37217}}^1$

素因数の和:37707

約数の個数: 96

約数和(自身を含む): 60353453160

約数和(自身を除く): 39353239872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 461, 612, 922, 1224, 1383, 1844, 2766, 3688, 4149, 5532, 7837, 8298, 11064, 15674, 16596, 23511, 31348, 33192, 37217, 47022, 62696, 70533, 74434, 94044, 111651, 141066, 148868, 188088, 223302, 282132, 297736, 334953, 446604, 564264, 632689, 669906, 893208, 1265378, 1339812, 1898067, 2530756, 2679624, 3796134, 5061512, 5694201, 7592268, 11388402, 15184536, 17157037, 22776804, 34314074, 45553608, 51471111, 68628148, 102942222, 137256296, 154413333, 205884444, 291669629, 308826666, 411768888, 583339258, 617653332, 875008887, 1166678516, 1235306664, 1750017774, 2333357032, 2625026661, 3500035548, 5250053322, 7000071096, 10500106644, 21000213288]

約数ペア:

[(1, 21000213288), (2, 10500106644), (3, 7000071096), (4, 5250053322), (6, 3500035548), (8, 2625026661), (9, 2333357032), (12, 1750017774), (17, 1235306664), (18, 1166678516), (24, 875008887), (34, 617653332), (36, 583339258), (51, 411768888), (68, 308826666), (72, 291669629), (102, 205884444), (136, 154413333), (153, 137256296), (204, 102942222), (306, 68628148), (408, 51471111), (461, 45553608), (612, 34314074), (922, 22776804), (1224, 17157037), (1383, 15184536), (1844, 11388402), (2766, 7592268), (3688, 5694201), (4149, 5061512), (5532, 3796134), (7837, 2679624), (8298, 2530756), (11064, 1898067), (15674, 1339812), (16596, 1265378), (23511, 893208), (31348, 669906), (33192, 632689), (37217, 564264), (47022, 446604), (62696, 334953), (70533, 297736), (74434, 282132), (94044, 223302), (111651, 188088), (141066, 148868)]