21955374

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1059

約数の個数: 80

約数和(自身を含む): 59241600

約数和(自身を除く): 37286226

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 266, 342, 378, 399, 513, 567, 798, 1019, 1026, 1134, 1197, 1539, 2038, 2394, 3057, 3078, 3591, 6114, 7133, 7182, 9171, 10773, 14266, 18342, 19361, 21399, 21546, 27513, 38722, 42798, 55026, 58083, 64197, 82539, 116166, 128394, 135527, 165078, 174249, 192591, 271054, 348498, 385182, 406581, 522747, 577773, 813162, 1045494, 1155546, 1219743, 1568241, 2439486, 3136482, 3659229, 7318458, 10977687, 21955374]

約数ペア:

[(1, 21955374), (2, 10977687), (3, 7318458), (6, 3659229), (7, 3136482), (9, 2439486), (14, 1568241), (18, 1219743), (19, 1155546), (21, 1045494), (27, 813162), (38, 577773), (42, 522747), (54, 406581), (57, 385182), (63, 348498), (81, 271054), (114, 192591), (126, 174249), (133, 165078), (162, 135527), (171, 128394), (189, 116166), (266, 82539), (342, 64197), (378, 58083), (399, 55026), (513, 42798), (567, 38722), (798, 27513), (1019, 21546), (1026, 21399), (1134, 19361), (1197, 18342), (1539, 14266), (2038, 10773), (2394, 9171), (3057, 7182), (3078, 7133), (3591, 6114)]