21915565540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8369}}^1\times {\mathrm{11903}}^1$

素因数の和:20292

約数の個数: 48

約数和(自身を含む): 50216785920

約数和(自身を除く): 28301220380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8369, 11903, 16738, 23806, 33476, 41845, 47612, 59515, 83690, 92059, 119030, 130933, 167380, 184118, 238060, 261866, 368236, 460295, 523732, 654665, 920590, 1309330, 1841180, 2618660, 99616207, 199232414, 398464828, 498081035, 996162070, 1095778277, 1992324140, 2191556554, 4383113108, 5478891385, 10957782770, 21915565540]

約数ペア:

[(1, 21915565540), (2, 10957782770), (4, 5478891385), (5, 4383113108), (10, 2191556554), (11, 1992324140), (20, 1095778277), (22, 996162070), (44, 498081035), (55, 398464828), (110, 199232414), (220, 99616207), (8369, 2618660), (11903, 1841180), (16738, 1309330), (23806, 920590), (33476, 654665), (41845, 523732), (47612, 460295), (59515, 368236), (83690, 261866), (92059, 238060), (119030, 184118), (130933, 167380)]