21415716894

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{61027}}^1$

素因数の和:61465

約数の個数: 64

約数和(自身を含む): 50443303680

約数和(自身を除く): 29027586786

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 409, 429, 818, 858, 1227, 2454, 4499, 5317, 8998, 10634, 13497, 15951, 26994, 31902, 58487, 61027, 116974, 122054, 175461, 183081, 350922, 366162, 671297, 793351, 1342594, 1586702, 2013891, 2380053, 4027782, 4760106, 8726861, 17453722, 24960043, 26180583, 49920086, 52361166, 74880129, 149760258, 274560473, 324480559, 549120946, 648961118, 823681419, 973441677, 1647362838, 1946883354, 3569286149, 7138572298, 10707858447, 21415716894]

約数ペア:

[(1, 21415716894), (2, 10707858447), (3, 7138572298), (6, 3569286149), (11, 1946883354), (13, 1647362838), (22, 973441677), (26, 823681419), (33, 648961118), (39, 549120946), (66, 324480559), (78, 274560473), (143, 149760258), (286, 74880129), (409, 52361166), (429, 49920086), (818, 26180583), (858, 24960043), (1227, 17453722), (2454, 8726861), (4499, 4760106), (5317, 4027782), (8998, 2380053), (10634, 2013891), (13497, 1586702), (15951, 1342594), (26994, 793351), (31902, 671297), (58487, 366162), (61027, 350922), (116974, 183081), (122054, 175461)]