21572474872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1\times {\mathrm{2731}}^1$

素因数の和:3404

約数の個数: 64

約数和(自身を含む): 43951541760

約数和(自身を除く): 22379066888

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 503, 604, 1006, 1208, 1963, 2012, 2731, 3926, 4024, 5462, 6539, 7852, 10924, 13078, 15704, 21848, 26156, 35503, 52312, 71006, 75953, 142012, 151906, 284024, 303812, 412381, 607624, 824762, 987389, 1373693, 1649524, 1974778, 2747386, 3299048, 3949556, 5360953, 5494772, 7899112, 10721906, 10989544, 17858009, 21443812, 35716018, 42887624, 71432036, 142864072, 207427643, 414855286, 829710572, 1659421144, 2696559359, 5393118718, 10786237436, 21572474872]

約数ペア:

[(1, 21572474872), (2, 10786237436), (4, 5393118718), (8, 2696559359), (13, 1659421144), (26, 829710572), (52, 414855286), (104, 207427643), (151, 142864072), (302, 71432036), (503, 42887624), (604, 35716018), (1006, 21443812), (1208, 17858009), (1963, 10989544), (2012, 10721906), (2731, 7899112), (3926, 5494772), (4024, 5360953), (5462, 3949556), (6539, 3299048), (7852, 2747386), (10924, 1974778), (13078, 1649524), (15704, 1373693), (21848, 987389), (26156, 824762), (35503, 607624), (52312, 412381), (71006, 303812), (75953, 284024), (142012, 151906)]