21167719490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1\times {\mathrm{3943}}^1$

素因数の和:5363

約数の個数: 64

約数和(自身を含む): 42138579456

約数和(自身を除く): 20970859966

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1373, 1955, 2746, 3910, 3943, 6865, 7886, 13730, 19715, 23341, 31579, 39430, 46682, 63158, 67031, 90689, 116705, 134062, 157895, 181378, 233410, 315790, 335155, 453445, 536843, 670310, 906890, 1073686, 1541713, 2684215, 3083426, 5368430, 5413739, 7708565, 10827478, 15417130, 27068695, 54137390, 92033563, 124515997, 184067126, 249031994, 460167815, 622579985, 920335630, 1245159970, 2116771949, 4233543898, 10583859745, 21167719490]

約数ペア:

[(1, 21167719490), (2, 10583859745), (5, 4233543898), (10, 2116771949), (17, 1245159970), (23, 920335630), (34, 622579985), (46, 460167815), (85, 249031994), (115, 184067126), (170, 124515997), (230, 92033563), (391, 54137390), (782, 27068695), (1373, 15417130), (1955, 10827478), (2746, 7708565), (3910, 5413739), (3943, 5368430), (6865, 3083426), (7886, 2684215), (13730, 1541713), (19715, 1073686), (23341, 906890), (31579, 670310), (39430, 536843), (46682, 453445), (63158, 335155), (67031, 315790), (90689, 233410), (116705, 181378), (134062, 157895)]