21613384404

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{1487}}^1\times {\mathrm{1571}}^1$

素因数の和:3325

約数の個数: 72

約数和(自身を含む): 54918235008

約数和(自身を除く): 33304850604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1487, 1542, 1571, 2313, 2974, 3084, 3142, 4461, 4626, 4713, 5948, 6284, 8922, 9252, 9426, 13383, 14139, 17844, 18852, 26766, 28278, 53532, 56556, 382159, 403747, 764318, 807494, 1146477, 1211241, 1528636, 1614988, 2292954, 2336077, 2422482, 3439431, 3633723, 4585908, 4672154, 4844964, 6878862, 7008231, 7267446, 9344308, 13757724, 14016462, 14534892, 21024693, 28032924, 42049386, 84098772, 600371789, 1200743578, 1801115367, 2401487156, 3602230734, 5403346101, 7204461468, 10806692202, 21613384404]

約数ペア:

[(1, 21613384404), (2, 10806692202), (3, 7204461468), (4, 5403346101), (6, 3602230734), (9, 2401487156), (12, 1801115367), (18, 1200743578), (36, 600371789), (257, 84098772), (514, 42049386), (771, 28032924), (1028, 21024693), (1487, 14534892), (1542, 14016462), (1571, 13757724), (2313, 9344308), (2974, 7267446), (3084, 7008231), (3142, 6878862), (4461, 4844964), (4626, 4672154), (4713, 4585908), (5948, 3633723), (6284, 3439431), (8922, 2422482), (9252, 2336077), (9426, 2292954), (13383, 1614988), (14139, 1528636), (17844, 1211241), (18852, 1146477), (26766, 807494), (28278, 764318), (53532, 403747), (56556, 382159)]