21904398

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 30350322

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 107, 153, 214, 223, 306, 321, 446, 459, 642, 669, 918, 963, 1338, 1819, 1926, 2007, 2889, 3638, 3791, 4014, 5457, 5778, 6021, 7582, 10914, 11373, 12042, 16371, 22746, 23861, 32742, 34119, 47722, 49113, 68238, 71583, 98226, 102357, 143166, 204714, 214749, 405637, 429498, 644247, 811274, 1216911, 1288494, 2433822, 3650733, 7301466, 10952199, 21904398]

約数ペア:

[(1, 21904398), (2, 10952199), (3, 7301466), (6, 3650733), (9, 2433822), (17, 1288494), (18, 1216911), (27, 811274), (34, 644247), (51, 429498), (54, 405637), (102, 214749), (107, 204714), (153, 143166), (214, 102357), (223, 98226), (306, 71583), (321, 68238), (446, 49113), (459, 47722), (642, 34119), (669, 32742), (918, 23861), (963, 22746), (1338, 16371), (1819, 12042), (1926, 11373), (2007, 10914), (2889, 7582), (3638, 6021), (3791, 5778), (4014, 5457)]