21826459408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{8191}}^1$

素因数の和:8792

約数の個数: 80

約数和(自身を含む): 47612952576

約数和(自身を除く): 25786493168

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 557, 598, 1114, 1196, 2228, 2392, 4456, 4784, 7241, 8191, 8912, 12811, 14482, 16382, 25622, 28964, 32764, 51244, 57928, 65528, 102488, 106483, 115856, 131056, 166543, 188393, 204976, 212966, 333086, 376786, 425932, 666172, 753572, 851864, 1332344, 1507144, 1703728, 2449109, 2664688, 3014288, 4562387, 4898218, 9124774, 9796436, 18249548, 19592872, 36499096, 39185744, 59311031, 72998192, 104934901, 118622062, 209869802, 237244124, 419739604, 474488248, 839479208, 948976496, 1364153713, 1678958416, 2728307426, 5456614852, 10913229704, 21826459408]

約数ペア:

[(1, 21826459408), (2, 10913229704), (4, 5456614852), (8, 2728307426), (13, 1678958416), (16, 1364153713), (23, 948976496), (26, 839479208), (46, 474488248), (52, 419739604), (92, 237244124), (104, 209869802), (184, 118622062), (208, 104934901), (299, 72998192), (368, 59311031), (557, 39185744), (598, 36499096), (1114, 19592872), (1196, 18249548), (2228, 9796436), (2392, 9124774), (4456, 4898218), (4784, 4562387), (7241, 3014288), (8191, 2664688), (8912, 2449109), (12811, 1703728), (14482, 1507144), (16382, 1332344), (25622, 851864), (28964, 753572), (32764, 666172), (51244, 425932), (57928, 376786), (65528, 333086), (102488, 212966), (106483, 204976), (115856, 188393), (131056, 166543)]