21282810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1439}}^1$

素因数の和:1495

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34704390

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 51, 58, 85, 87, 102, 145, 170, 174, 255, 290, 435, 493, 510, 870, 986, 1439, 1479, 2465, 2878, 2958, 4317, 4930, 7195, 7395, 8634, 14390, 14790, 21585, 24463, 41731, 43170, 48926, 73389, 83462, 122315, 125193, 146778, 208655, 244630, 250386, 366945, 417310, 625965, 709427, 733890, 1251930, 1418854, 2128281, 3547135, 4256562, 7094270, 10641405, 21282810]

約数ペア:

[(1, 21282810), (2, 10641405), (3, 7094270), (5, 4256562), (6, 3547135), (10, 2128281), (15, 1418854), (17, 1251930), (29, 733890), (30, 709427), (34, 625965), (51, 417310), (58, 366945), (85, 250386), (87, 244630), (102, 208655), (145, 146778), (170, 125193), (174, 122315), (255, 83462), (290, 73389), (435, 48926), (493, 43170), (510, 41731), (870, 24463), (986, 21585), (1439, 14790), (1479, 14390), (2465, 8634), (2878, 7395), (2958, 7195), (4317, 4930)]