21167809930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1\times {\mathrm{1361}}^1$

素因数の和:2055

約数の個数: 64

約数和(自身を含む): 40669102080

約数和(自身を除く): 19501292150

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 191, 382, 479, 955, 958, 1361, 1910, 2395, 2722, 3247, 4790, 6494, 6805, 8143, 13610, 16235, 16286, 23137, 32470, 40715, 46274, 81430, 91489, 115685, 182978, 231370, 259951, 457445, 519902, 651919, 914890, 1299755, 1303838, 1555313, 2599510, 3110626, 3259595, 4419167, 6519190, 7776565, 8838334, 11082623, 15553130, 22095835, 22165246, 44191670, 55413115, 110826230, 124516529, 249033058, 622582645, 1245165290, 2116780993, 4233561986, 10583904965, 21167809930]

約数ペア:

[(1, 21167809930), (2, 10583904965), (5, 4233561986), (10, 2116780993), (17, 1245165290), (34, 622582645), (85, 249033058), (170, 124516529), (191, 110826230), (382, 55413115), (479, 44191670), (955, 22165246), (958, 22095835), (1361, 15553130), (1910, 11082623), (2395, 8838334), (2722, 7776565), (3247, 6519190), (4790, 4419167), (6494, 3259595), (6805, 3110626), (8143, 2599510), (13610, 1555313), (16235, 1303838), (16286, 1299755), (23137, 914890), (32470, 651919), (40715, 519902), (46274, 457445), (81430, 259951), (91489, 231370), (115685, 182978)]