21366384

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 60225312

約数和(自身を除く): 38858928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 97, 104, 156, 194, 208, 291, 312, 353, 388, 582, 624, 706, 776, 1059, 1164, 1261, 1412, 1552, 2118, 2328, 2522, 2824, 3783, 4236, 4589, 4656, 5044, 5648, 7566, 8472, 9178, 10088, 13767, 15132, 16944, 18356, 20176, 27534, 30264, 34241, 36712, 55068, 60528, 68482, 73424, 102723, 110136, 136964, 205446, 220272, 273928, 410892, 445133, 547856, 821784, 890266, 1335399, 1643568, 1780532, 2670798, 3561064, 5341596, 7122128, 10683192, 21366384]

約数ペア:

[(1, 21366384), (2, 10683192), (3, 7122128), (4, 5341596), (6, 3561064), (8, 2670798), (12, 1780532), (13, 1643568), (16, 1335399), (24, 890266), (26, 821784), (39, 547856), (48, 445133), (52, 410892), (78, 273928), (97, 220272), (104, 205446), (156, 136964), (194, 110136), (208, 102723), (291, 73424), (312, 68482), (353, 60528), (388, 55068), (582, 36712), (624, 34241), (706, 30264), (776, 27534), (1059, 20176), (1164, 18356), (1261, 16944), (1412, 15132), (1552, 13767), (2118, 10088), (2328, 9178), (2522, 8472), (2824, 7566), (3783, 5648), (4236, 5044), (4589, 4656)]