21425670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:570

約数の個数: 96

約数和(自身を含む): 64696320

約数和(自身を除く): 43270650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 71, 90, 105, 126, 142, 210, 213, 315, 355, 426, 479, 497, 630, 639, 710, 958, 994, 1065, 1278, 1437, 1491, 2130, 2395, 2485, 2874, 2982, 3195, 3353, 4311, 4473, 4790, 4970, 6390, 6706, 7185, 7455, 8622, 8946, 10059, 14370, 14910, 16765, 20118, 21555, 22365, 30177, 33530, 34009, 43110, 44730, 50295, 60354, 68018, 100590, 102027, 150885, 170045, 204054, 238063, 301770, 306081, 340090, 476126, 510135, 612162, 714189, 1020270, 1190315, 1428378, 1530405, 2142567, 2380630, 3060810, 3570945, 4285134, 7141890, 10712835, 21425670]

約数ペア:

[(1, 21425670), (2, 10712835), (3, 7141890), (5, 4285134), (6, 3570945), (7, 3060810), (9, 2380630), (10, 2142567), (14, 1530405), (15, 1428378), (18, 1190315), (21, 1020270), (30, 714189), (35, 612162), (42, 510135), (45, 476126), (63, 340090), (70, 306081), (71, 301770), (90, 238063), (105, 204054), (126, 170045), (142, 150885), (210, 102027), (213, 100590), (315, 68018), (355, 60354), (426, 50295), (479, 44730), (497, 43110), (630, 34009), (639, 33530), (710, 30177), (958, 22365), (994, 21555), (1065, 20118), (1278, 16765), (1437, 14910), (1491, 14370), (2130, 10059), (2395, 8946), (2485, 8622), (2874, 7455), (2982, 7185), (3195, 6706), (3353, 6390), (4311, 4970), (4473, 4790)]