2021113215

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41243}}^1$

素因数の和:41282

約数の個数: 60

約数和(自身を含む): 3982438152

約数和(自身を除く): 1961324937

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 121, 135, 165, 297, 363, 405, 495, 605, 891, 1089, 1485, 1815, 3267, 4455, 5445, 9801, 16335, 41243, 49005, 123729, 206215, 371187, 453673, 618645, 1113561, 1361019, 1855935, 2268365, 3340683, 4083057, 4990403, 5567805, 6805095, 12249171, 14971209, 16703415, 20415285, 24952015, 36747513, 44913627, 61245855, 74856045, 134740881, 183737565, 224568135, 404222643, 673704405, 2021113215]

約数ペア:

[(1, 2021113215), (3, 673704405), (5, 404222643), (9, 224568135), (11, 183737565), (15, 134740881), (27, 74856045), (33, 61245855), (45, 44913627), (55, 36747513), (81, 24952015), (99, 20415285), (121, 16703415), (135, 14971209), (165, 12249171), (297, 6805095), (363, 5567805), (405, 4990403), (495, 4083057), (605, 3340683), (891, 2268365), (1089, 1855935), (1485, 1361019), (1815, 1113561), (3267, 618645), (4455, 453673), (5445, 371187), (9801, 206215), (16335, 123729), (41243, 49005)]