21624510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 55598400

約数和(自身を除く): 33973890

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 109, 170, 218, 255, 327, 389, 510, 545, 654, 778, 1090, 1167, 1635, 1853, 1945, 2334, 3270, 3706, 3890, 5559, 5835, 6613, 9265, 11118, 11670, 13226, 18530, 19839, 27795, 33065, 39678, 42401, 55590, 66130, 84802, 99195, 127203, 198390, 212005, 254406, 424010, 636015, 720817, 1272030, 1441634, 2162451, 3604085, 4324902, 7208170, 10812255, 21624510]

約数ペア:

[(1, 21624510), (2, 10812255), (3, 7208170), (5, 4324902), (6, 3604085), (10, 2162451), (15, 1441634), (17, 1272030), (30, 720817), (34, 636015), (51, 424010), (85, 254406), (102, 212005), (109, 198390), (170, 127203), (218, 99195), (255, 84802), (327, 66130), (389, 55590), (510, 42401), (545, 39678), (654, 33065), (778, 27795), (1090, 19839), (1167, 18530), (1635, 13226), (1853, 11670), (1945, 11118), (2334, 9265), (3270, 6613), (3706, 5835), (3890, 5559)]