21089914232

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{636619}}^1$

素因数の和:636767

約数の個数: 32

約数和(自身を含む): 40909201200

約数和(自身を除く): 19819286968

約数列:

[1, 2, 4, 8, 41, 82, 101, 164, 202, 328, 404, 808, 4141, 8282, 16564, 33128, 636619, 1273238, 2546476, 5092952, 26101379, 52202758, 64298519, 104405516, 128597038, 208811032, 257194076, 514388152, 2636239279, 5272478558, 10544957116, 21089914232]

約数ペア:

[(1, 21089914232), (2, 10544957116), (4, 5272478558), (8, 2636239279), (41, 514388152), (82, 257194076), (101, 208811032), (164, 128597038), (202, 104405516), (328, 64298519), (404, 52202758), (808, 26101379), (4141, 5092952), (8282, 2546476), (16564, 1273238), (33128, 636619)]