21282404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1283}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 45299520

約数和(自身を除く): 24017116

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 116, 143, 286, 319, 377, 572, 638, 754, 1276, 1283, 1508, 2566, 4147, 5132, 8294, 14113, 16588, 16679, 28226, 33358, 37207, 56452, 66716, 74414, 148828, 183469, 366938, 409277, 483691, 733876, 818554, 967382, 1637108, 1934764, 5320601, 10641202, 21282404]

約数ペア:

[(1, 21282404), (2, 10641202), (4, 5320601), (11, 1934764), (13, 1637108), (22, 967382), (26, 818554), (29, 733876), (44, 483691), (52, 409277), (58, 366938), (116, 183469), (143, 148828), (286, 74414), (319, 66716), (377, 56452), (572, 37207), (638, 33358), (754, 28226), (1276, 16679), (1283, 16588), (1508, 14113), (2566, 8294), (4147, 5132)]