21925365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 44900352

約数和(自身を除く): 22974987

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 41, 55, 77, 105, 123, 165, 205, 231, 287, 385, 451, 463, 615, 861, 1155, 1353, 1389, 1435, 2255, 2315, 3157, 3241, 4305, 5093, 6765, 6945, 9471, 9723, 15279, 15785, 16205, 18983, 25465, 35651, 47355, 48615, 56949, 76395, 94915, 106953, 132881, 178255, 208813, 284745, 398643, 534765, 626439, 664405, 1044065, 1461691, 1993215, 3132195, 4385073, 7308455, 21925365]

約数ペア:

[(1, 21925365), (3, 7308455), (5, 4385073), (7, 3132195), (11, 1993215), (15, 1461691), (21, 1044065), (33, 664405), (35, 626439), (41, 534765), (55, 398643), (77, 284745), (105, 208813), (123, 178255), (165, 132881), (205, 106953), (231, 94915), (287, 76395), (385, 56949), (451, 48615), (463, 47355), (615, 35651), (861, 25465), (1155, 18983), (1353, 16205), (1389, 15785), (1435, 15279), (2255, 9723), (2315, 9471), (3157, 6945), (3241, 6765), (4305, 5093)]