21780456684

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{631}}^1\times {\mathrm{1249}}^1$

素因数の和:1948

約数の個数: 144

約数和(自身を含む): 60520320000

約数和(自身を除く): 38739863316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 631, 658, 987, 1249, 1262, 1316, 1893, 1974, 2303, 2498, 2524, 3747, 3786, 3948, 4417, 4606, 4996, 6909, 7494, 7572, 8743, 8834, 9212, 13251, 13818, 14988, 17486, 17668, 26229, 26502, 27636, 29657, 30919, 34972, 52458, 53004, 58703, 59314, 61201, 61838, 88971, 92757, 104916, 117406, 118628, 122402, 123676, 176109, 177942, 183603, 185514, 207599, 234812, 244804, 352218, 355884, 367206, 371028, 410921, 415198, 622797, 704436, 734412, 788119, 821842, 830396, 1232763, 1245594, 1453193, 1576238, 1643684, 2364357, 2465526, 2491188, 2876447, 2906386, 3152476, 4359579, 4728714, 4931052, 5516833, 5752894, 5812772, 8629341, 8719158, 9457428, 11033666, 11505788, 16550499, 17258682, 17438316, 22067332, 33100998, 34517364, 37041593, 38617831, 66201996, 74083186, 77235662, 111124779, 115853493, 148166372, 154471324, 222249558, 231706986, 259291151, 444499116, 463413972, 518582302, 777873453, 1037164604, 1555746906, 1815038057, 3111493812, 3630076114, 5445114171, 7260152228, 10890228342, 21780456684]

約数ペア:

[(1, 21780456684), (2, 10890228342), (3, 7260152228), (4, 5445114171), (6, 3630076114), (7, 3111493812), (12, 1815038057), (14, 1555746906), (21, 1037164604), (28, 777873453), (42, 518582302), (47, 463413972), (49, 444499116), (84, 259291151), (94, 231706986), (98, 222249558), (141, 154471324), (147, 148166372), (188, 115853493), (196, 111124779), (282, 77235662), (294, 74083186), (329, 66201996), (564, 38617831), (588, 37041593), (631, 34517364), (658, 33100998), (987, 22067332), (1249, 17438316), (1262, 17258682), (1316, 16550499), (1893, 11505788), (1974, 11033666), (2303, 9457428), (2498, 8719158), (2524, 8629341), (3747, 5812772), (3786, 5752894), (3948, 5516833), (4417, 4931052), (4606, 4728714), (4996, 4359579), (6909, 3152476), (7494, 2906386), (7572, 2876447), (8743, 2491188), (8834, 2465526), (9212, 2364357), (13251, 1643684), (13818, 1576238), (14988, 1453193), (17486, 1245594), (17668, 1232763), (26229, 830396), (26502, 821842), (27636, 788119), (29657, 734412), (30919, 704436), (34972, 622797), (52458, 415198), (53004, 410921), (58703, 371028), (59314, 367206), (61201, 355884), (61838, 352218), (88971, 244804), (92757, 234812), (104916, 207599), (117406, 185514), (118628, 183603), (122402, 177942), (123676, 176109)]