21037515252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{524731}}^1$

素因数の和:525008

約数の個数: 48

約数和(自身を含む): 53069295552

約数和(自身を除く): 32031780300

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 257, 514, 771, 1028, 1542, 3084, 3341, 6682, 10023, 13364, 20046, 40092, 524731, 1049462, 1574193, 2098924, 3148386, 6296772, 6821503, 13643006, 20464509, 27286012, 40929018, 81858036, 134855867, 269711734, 404567601, 539423468, 809135202, 1618270404, 1753126271, 3506252542, 5259378813, 7012505084, 10518757626, 21037515252]

約数ペア:

[(1, 21037515252), (2, 10518757626), (3, 7012505084), (4, 5259378813), (6, 3506252542), (12, 1753126271), (13, 1618270404), (26, 809135202), (39, 539423468), (52, 404567601), (78, 269711734), (156, 134855867), (257, 81858036), (514, 40929018), (771, 27286012), (1028, 20464509), (1542, 13643006), (3084, 6821503), (3341, 6296772), (6682, 3148386), (10023, 2098924), (13364, 1574193), (20046, 1049462), (40092, 524731)]