21191569555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{6133}}^1$

素因数の和:6280

約数の個数: 64

約数和(自身を含む): 30049729920

約数和(自身を除く): 8858160365

約数列:

[1, 5, 13, 17, 53, 59, 65, 85, 221, 265, 295, 689, 767, 901, 1003, 1105, 3127, 3445, 3835, 4505, 5015, 6133, 11713, 13039, 15635, 30665, 40651, 53159, 58565, 65195, 79729, 104261, 203255, 265795, 325049, 361847, 398645, 521305, 691067, 1355393, 1625245, 1809235, 3455335, 4225637, 4704011, 5525833, 6151399, 6776965, 19177891, 21128185, 23520055, 27629165, 30756995, 71835829, 79968187, 95889455, 249312583, 326024147, 359179145, 399840935, 1246562915, 1630120735, 4238313911, 21191569555]

約数ペア:

[(1, 21191569555), (5, 4238313911), (13, 1630120735), (17, 1246562915), (53, 399840935), (59, 359179145), (65, 326024147), (85, 249312583), (221, 95889455), (265, 79968187), (295, 71835829), (689, 30756995), (767, 27629165), (901, 23520055), (1003, 21128185), (1105, 19177891), (3127, 6776965), (3445, 6151399), (3835, 5525833), (4505, 4704011), (5015, 4225637), (6133, 3455335), (11713, 1809235), (13039, 1625245), (15635, 1355393), (30665, 691067), (40651, 521305), (53159, 398645), (58565, 361847), (65195, 325049), (79729, 265795), (104261, 203255)]