21699685840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{941}}^1\times {\mathrm{41179}}^1$

素因数の和:42140

約数の個数: 80

約数和(自身を含む): 57721841280

約数和(自身を除く): 36022155440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 941, 1882, 3764, 4705, 6587, 7528, 9410, 13174, 15056, 18820, 26348, 32935, 37640, 41179, 52696, 65870, 75280, 82358, 105392, 131740, 164716, 205895, 263480, 288253, 329432, 411790, 526960, 576506, 658864, 823580, 1153012, 1441265, 1647160, 2306024, 2882530, 3294320, 4612048, 5765060, 11530120, 23060240, 38749439, 77498878, 154997756, 193747195, 271246073, 309995512, 387494390, 542492146, 619991024, 774988780, 1084984292, 1356230365, 1549977560, 2169968584, 2712460730, 3099955120, 4339937168, 5424921460, 10849842920, 21699685840]

約数ペア:

[(1, 21699685840), (2, 10849842920), (4, 5424921460), (5, 4339937168), (7, 3099955120), (8, 2712460730), (10, 2169968584), (14, 1549977560), (16, 1356230365), (20, 1084984292), (28, 774988780), (35, 619991024), (40, 542492146), (56, 387494390), (70, 309995512), (80, 271246073), (112, 193747195), (140, 154997756), (280, 77498878), (560, 38749439), (941, 23060240), (1882, 11530120), (3764, 5765060), (4705, 4612048), (6587, 3294320), (7528, 2882530), (9410, 2306024), (13174, 1647160), (15056, 1441265), (18820, 1153012), (26348, 823580), (32935, 658864), (37640, 576506), (41179, 526960), (52696, 411790), (65870, 329432), (75280, 288253), (82358, 263480), (105392, 205895), (131740, 164716)]