21000307064

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1\times {\mathrm{8291}}^1$

素因数の和:8684

約数の個数: 64

約数和(自身を含む): 43523049600

約数和(自身を除く): 22522742536

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 214, 269, 428, 538, 856, 1076, 1177, 2152, 2354, 2959, 4708, 5918, 8291, 9416, 11836, 16582, 23672, 28783, 33164, 57566, 66328, 91201, 115132, 182402, 230264, 316613, 364804, 633226, 729608, 887137, 1266452, 1774274, 2230279, 2532904, 3548548, 4460558, 7097096, 8921116, 9758507, 17842232, 19517014, 24533069, 39034028, 49066138, 78068056, 98132276, 196264552, 238639853, 477279706, 954559412, 1909118824, 2625038383, 5250076766, 10500153532, 21000307064]

約数ペア:

[(1, 21000307064), (2, 10500153532), (4, 5250076766), (8, 2625038383), (11, 1909118824), (22, 954559412), (44, 477279706), (88, 238639853), (107, 196264552), (214, 98132276), (269, 78068056), (428, 49066138), (538, 39034028), (856, 24533069), (1076, 19517014), (1177, 17842232), (2152, 9758507), (2354, 8921116), (2959, 7097096), (4708, 4460558), (5918, 3548548), (8291, 2532904), (9416, 2230279), (11836, 1774274), (16582, 1266452), (23672, 887137), (28783, 729608), (33164, 633226), (57566, 364804), (66328, 316613), (91201, 230264), (115132, 182402)]