21371039998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{55487}}^1$

素因数の和:55609

約数の個数: 64

約数和(自身を含む): 41613336576

約数和(自身を除く): 20242296578

約数列:

[1, 2, 7, 11, 14, 22, 41, 61, 77, 82, 122, 154, 287, 427, 451, 574, 671, 854, 902, 1342, 2501, 3157, 4697, 5002, 6314, 9394, 17507, 27511, 35014, 55022, 55487, 110974, 192577, 385154, 388409, 610357, 776818, 1220714, 2274967, 3384707, 4272499, 4549934, 6769414, 8544998, 15924769, 23692949, 25024637, 31849538, 37231777, 47385898, 50049274, 74463554, 138772987, 175172459, 260622439, 277545974, 350344918, 521244878, 971410909, 1526502857, 1942821818, 3053005714, 10685519999, 21371039998]

約数ペア:

[(1, 21371039998), (2, 10685519999), (7, 3053005714), (11, 1942821818), (14, 1526502857), (22, 971410909), (41, 521244878), (61, 350344918), (77, 277545974), (82, 260622439), (122, 175172459), (154, 138772987), (287, 74463554), (427, 50049274), (451, 47385898), (574, 37231777), (671, 31849538), (854, 25024637), (902, 23692949), (1342, 15924769), (2501, 8544998), (3157, 6769414), (4697, 4549934), (5002, 4272499), (6314, 3384707), (9394, 2274967), (17507, 1220714), (27511, 776818), (35014, 610357), (55022, 388409), (55487, 385154), (110974, 192577)]