21140245248

素因数分解:

$2^8\times 3^1\times {\mathrm{127}}^1\times {\mathrm{216743}}^1$

素因数の和:216889

約数の個数: 72

約数和(自身を含む): 56707166208

約数和(自身を除く): 35566920960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 127, 128, 192, 254, 256, 381, 384, 508, 762, 768, 1016, 1524, 2032, 3048, 4064, 6096, 8128, 12192, 16256, 24384, 32512, 48768, 97536, 216743, 433486, 650229, 866972, 1300458, 1733944, 2600916, 3467888, 5201832, 6935776, 10403664, 13871552, 20807328, 27526361, 27743104, 41614656, 55052722, 55486208, 82579083, 83229312, 110105444, 165158166, 166458624, 220210888, 330316332, 440421776, 660632664, 880843552, 1321265328, 1761687104, 2642530656, 3523374208, 5285061312, 7046748416, 10570122624, 21140245248]

約数ペア:

[(1, 21140245248), (2, 10570122624), (3, 7046748416), (4, 5285061312), (6, 3523374208), (8, 2642530656), (12, 1761687104), (16, 1321265328), (24, 880843552), (32, 660632664), (48, 440421776), (64, 330316332), (96, 220210888), (127, 166458624), (128, 165158166), (192, 110105444), (254, 83229312), (256, 82579083), (381, 55486208), (384, 55052722), (508, 41614656), (762, 27743104), (768, 27526361), (1016, 20807328), (1524, 13871552), (2032, 10403664), (3048, 6935776), (4064, 5201832), (6096, 3467888), (8128, 2600916), (12192, 1733944), (16256, 1300458), (24384, 866972), (32512, 650229), (48768, 433486), (97536, 216743)]