21708762

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 27280038

約数列:

[1, 2, 3, 6, 17, 29, 34, 41, 51, 58, 82, 87, 102, 123, 174, 179, 246, 358, 493, 537, 697, 986, 1074, 1189, 1394, 1479, 2091, 2378, 2958, 3043, 3567, 4182, 5191, 6086, 7134, 7339, 9129, 10382, 14678, 15573, 18258, 20213, 22017, 31146, 40426, 44034, 60639, 88247, 121278, 124763, 176494, 212831, 249526, 264741, 374289, 425662, 529482, 638493, 748578, 1276986, 3618127, 7236254, 10854381, 21708762]

約数ペア:

[(1, 21708762), (2, 10854381), (3, 7236254), (6, 3618127), (17, 1276986), (29, 748578), (34, 638493), (41, 529482), (51, 425662), (58, 374289), (82, 264741), (87, 249526), (102, 212831), (123, 176494), (174, 124763), (179, 121278), (246, 88247), (358, 60639), (493, 44034), (537, 40426), (697, 31146), (986, 22017), (1074, 20213), (1189, 18258), (1394, 15573), (1479, 14678), (2091, 10382), (2378, 9129), (2958, 7339), (3043, 7134), (3567, 6086), (4182, 5191)]