21986173636

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{46471}}^1$

素因数の和:46820

約数の個数: 48

約数和(自身を含む): 44855517952

約数和(自身を除く): 22869344316

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 277, 427, 554, 854, 1108, 1708, 1939, 3878, 7756, 16897, 33794, 46471, 67588, 92942, 118279, 185884, 236558, 325297, 473116, 650594, 1301188, 2834731, 5669462, 11338924, 12872467, 19843117, 25744934, 39686234, 51489868, 79372468, 90107269, 180214538, 360429076, 785220487, 1570440974, 3140881948, 5496543409, 10993086818, 21986173636]

約数ペア:

[(1, 21986173636), (2, 10993086818), (4, 5496543409), (7, 3140881948), (14, 1570440974), (28, 785220487), (61, 360429076), (122, 180214538), (244, 90107269), (277, 79372468), (427, 51489868), (554, 39686234), (854, 25744934), (1108, 19843117), (1708, 12872467), (1939, 11338924), (3878, 5669462), (7756, 2834731), (16897, 1301188), (33794, 650594), (46471, 473116), (67588, 325297), (92942, 236558), (118279, 185884)]