21103883710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{36067}}^1$

素因数の和:36737

約数の個数: 64

約数和(自身を含む): 46827228672

約数和(自身を除く): 25723344962

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 643, 910, 1286, 3215, 4501, 6430, 8359, 9002, 16718, 22505, 36067, 41795, 45010, 58513, 72134, 83590, 117026, 180335, 252469, 292565, 360670, 468871, 504938, 585130, 937742, 1262345, 2344355, 2524690, 3282097, 4688710, 6564194, 16410485, 23191081, 32820970, 46382162, 115955405, 162337567, 231910810, 301484053, 324675134, 602968106, 811687835, 1507420265, 1623375670, 2110388371, 3014840530, 4220776742, 10551941855, 21103883710]

約数ペア:

[(1, 21103883710), (2, 10551941855), (5, 4220776742), (7, 3014840530), (10, 2110388371), (13, 1623375670), (14, 1507420265), (26, 811687835), (35, 602968106), (65, 324675134), (70, 301484053), (91, 231910810), (130, 162337567), (182, 115955405), (455, 46382162), (643, 32820970), (910, 23191081), (1286, 16410485), (3215, 6564194), (4501, 4688710), (6430, 3282097), (8359, 2524690), (9002, 2344355), (16718, 1262345), (22505, 937742), (36067, 585130), (41795, 504938), (45010, 468871), (58513, 360670), (72134, 292565), (83590, 252469), (117026, 180335)]