21000772794

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1\times {\mathrm{2731}}^1$

素因数の和:3403

約数の個数: 64

約数和(自身を含む): 44351244288

約数和(自身を除く): 23350471494

約数列:

[1, 2, 3, 6, 23, 46, 69, 103, 138, 206, 309, 541, 618, 1082, 1623, 2369, 2731, 3246, 4738, 5462, 7107, 8193, 12443, 14214, 16386, 24886, 37329, 55723, 62813, 74658, 111446, 125626, 167169, 188439, 281293, 334338, 376878, 562586, 843879, 1281629, 1477471, 1687758, 2563258, 2954942, 3844887, 4432413, 6469739, 7689774, 8864826, 12939478, 19409217, 33981833, 38818434, 67963666, 101945499, 152179513, 203890998, 304359026, 456538539, 913077078, 3500128799, 7000257598, 10500386397, 21000772794]

約数ペア:

[(1, 21000772794), (2, 10500386397), (3, 7000257598), (6, 3500128799), (23, 913077078), (46, 456538539), (69, 304359026), (103, 203890998), (138, 152179513), (206, 101945499), (309, 67963666), (541, 38818434), (618, 33981833), (1082, 19409217), (1623, 12939478), (2369, 8864826), (2731, 7689774), (3246, 6469739), (4738, 4432413), (5462, 3844887), (7107, 2954942), (8193, 2563258), (12443, 1687758), (14214, 1477471), (16386, 1281629), (24886, 843879), (37329, 562586), (55723, 376878), (62813, 334338), (74658, 281293), (111446, 188439), (125626, 167169)]