21424386

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 26475774

約数列:

[1, 2, 3, 6, 17, 34, 41, 47, 51, 82, 94, 102, 109, 123, 141, 218, 246, 282, 327, 654, 697, 799, 1394, 1598, 1853, 1927, 2091, 2397, 3706, 3854, 4182, 4469, 4794, 5123, 5559, 5781, 8938, 10246, 11118, 11562, 13407, 15369, 26814, 30738, 32759, 65518, 75973, 87091, 98277, 151946, 174182, 196554, 210043, 227919, 261273, 420086, 455838, 522546, 630129, 1260258, 3570731, 7141462, 10712193, 21424386]

約数ペア:

[(1, 21424386), (2, 10712193), (3, 7141462), (6, 3570731), (17, 1260258), (34, 630129), (41, 522546), (47, 455838), (51, 420086), (82, 261273), (94, 227919), (102, 210043), (109, 196554), (123, 174182), (141, 151946), (218, 98277), (246, 87091), (282, 75973), (327, 65518), (654, 32759), (697, 30738), (799, 26814), (1394, 15369), (1598, 13407), (1853, 11562), (1927, 11118), (2091, 10246), (2397, 8938), (3706, 5781), (3854, 5559), (4182, 5123), (4469, 4794)]