21209202

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 80

約数和(自身を含む): 55408320

約数和(自身を除く): 34199118

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 59, 63, 81, 118, 126, 162, 177, 189, 317, 354, 378, 413, 531, 567, 634, 826, 951, 1062, 1134, 1239, 1593, 1902, 2219, 2478, 2853, 3186, 3717, 4438, 4779, 5706, 6657, 7434, 8559, 9558, 11151, 13314, 17118, 18703, 19971, 22302, 25677, 33453, 37406, 39942, 51354, 56109, 59913, 66906, 112218, 119826, 130921, 168327, 179739, 261842, 336654, 359478, 392763, 504981, 785526, 1009962, 1178289, 1514943, 2356578, 3029886, 3534867, 7069734, 10604601, 21209202]

約数ペア:

[(1, 21209202), (2, 10604601), (3, 7069734), (6, 3534867), (7, 3029886), (9, 2356578), (14, 1514943), (18, 1178289), (21, 1009962), (27, 785526), (42, 504981), (54, 392763), (59, 359478), (63, 336654), (81, 261842), (118, 179739), (126, 168327), (162, 130921), (177, 119826), (189, 112218), (317, 66906), (354, 59913), (378, 56109), (413, 51354), (531, 39942), (567, 37406), (634, 33453), (826, 25677), (951, 22302), (1062, 19971), (1134, 18703), (1239, 17118), (1593, 13314), (1902, 11151), (2219, 9558), (2478, 8559), (2853, 7434), (3186, 6657), (3717, 5706), (4438, 4779)]