21436700810

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{271729}}^1$

素因数の和:271780

約数の個数: 64

約数和(自身を含む): 46954944000

約数和(自身を除く): 25518243190

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 343, 490, 686, 805, 1127, 1610, 1715, 2254, 3430, 5635, 7889, 11270, 15778, 39445, 78890, 271729, 543458, 1358645, 1902103, 2717290, 3804206, 6249767, 9510515, 12499534, 13314721, 19021030, 26629442, 31248835, 43748369, 62497670, 66573605, 87496738, 93203047, 133147210, 186406094, 218741845, 306238583, 437483690, 466015235, 612477166, 932030470, 1531192915, 2143670081, 3062385830, 4287340162, 10718350405, 21436700810]

約数ペア:

[(1, 21436700810), (2, 10718350405), (5, 4287340162), (7, 3062385830), (10, 2143670081), (14, 1531192915), (23, 932030470), (35, 612477166), (46, 466015235), (49, 437483690), (70, 306238583), (98, 218741845), (115, 186406094), (161, 133147210), (230, 93203047), (245, 87496738), (322, 66573605), (343, 62497670), (490, 43748369), (686, 31248835), (805, 26629442), (1127, 19021030), (1610, 13314721), (1715, 12499534), (2254, 9510515), (3430, 6249767), (5635, 3804206), (7889, 2717290), (11270, 1902103), (15778, 1358645), (39445, 543458), (78890, 271729)]