21787703070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1\times {\mathrm{1307}}^1$

素因数の和:1974

約数の個数: 128

約数和(自身を含む): 60296749056

約数和(自身を除く): 38509045986

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 163, 210, 326, 487, 489, 815, 974, 978, 1141, 1307, 1461, 1630, 2282, 2435, 2445, 2614, 2922, 3409, 3423, 3921, 4870, 4890, 5705, 6535, 6818, 6846, 7305, 7842, 9149, 10227, 11410, 13070, 14610, 17045, 17115, 18298, 19605, 20454, 27447, 34090, 34230, 39210, 45745, 51135, 54894, 79381, 91490, 102270, 137235, 158762, 213041, 238143, 274470, 396905, 426082, 476286, 555667, 636509, 639123, 793810, 1065205, 1111334, 1190715, 1273018, 1278246, 1491287, 1667001, 1909527, 2130410, 2381430, 2778335, 2982574, 3182545, 3195615, 3334002, 3819054, 4455563, 4473861, 5556670, 6365090, 6391230, 7456435, 8335005, 8911126, 8947722, 9547635, 13366689, 14912870, 16670010, 19095270, 22277815, 22369305, 26733378, 44555630, 44738610, 66833445, 103750967, 133666890, 207501934, 311252901, 518754835, 622505802, 726256769, 1037509670, 1452513538, 1556264505, 2178770307, 3112529010, 3631283845, 4357540614, 7262567690, 10893851535, 21787703070]

約数ペア:

[(1, 21787703070), (2, 10893851535), (3, 7262567690), (5, 4357540614), (6, 3631283845), (7, 3112529010), (10, 2178770307), (14, 1556264505), (15, 1452513538), (21, 1037509670), (30, 726256769), (35, 622505802), (42, 518754835), (70, 311252901), (105, 207501934), (163, 133666890), (210, 103750967), (326, 66833445), (487, 44738610), (489, 44555630), (815, 26733378), (974, 22369305), (978, 22277815), (1141, 19095270), (1307, 16670010), (1461, 14912870), (1630, 13366689), (2282, 9547635), (2435, 8947722), (2445, 8911126), (2614, 8335005), (2922, 7456435), (3409, 6391230), (3423, 6365090), (3921, 5556670), (4870, 4473861), (4890, 4455563), (5705, 3819054), (6535, 3334002), (6818, 3195615), (6846, 3182545), (7305, 2982574), (7842, 2778335), (9149, 2381430), (10227, 2130410), (11410, 1909527), (13070, 1667001), (14610, 1491287), (17045, 1278246), (17115, 1273018), (18298, 1190715), (19605, 1111334), (20454, 1065205), (27447, 793810), (34090, 639123), (34230, 636509), (39210, 555667), (45745, 476286), (51135, 426082), (54894, 396905), (79381, 274470), (91490, 238143), (102270, 213041), (137235, 158762)]