21787186788

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3806287}}^1$

素因数の和:3806353

約数の個数: 48

約数和(自身を含む): 57551074560

約数和(自身を除く): 35763887772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 5724, 3806287, 7612574, 11418861, 15225148, 22837722, 34256583, 45675444, 68513166, 102769749, 137026332, 201733211, 205539498, 403466422, 411078996, 605199633, 806932844, 1210399266, 1815598899, 2420798532, 3631197798, 5446796697, 7262395596, 10893593394, 21787186788]

約数ペア:

[(1, 21787186788), (2, 10893593394), (3, 7262395596), (4, 5446796697), (6, 3631197798), (9, 2420798532), (12, 1815598899), (18, 1210399266), (27, 806932844), (36, 605199633), (53, 411078996), (54, 403466422), (106, 205539498), (108, 201733211), (159, 137026332), (212, 102769749), (318, 68513166), (477, 45675444), (636, 34256583), (954, 22837722), (1431, 15225148), (1908, 11418861), (2862, 7612574), (5724, 3806287)]