21070764

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4093}}^1$

素因数の和:4127

約数の個数: 72

約数和(自身を含む): 62589072

約数和(自身を除く): 41518308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 4093, 5148, 8186, 12279, 16372, 24558, 36837, 45023, 49116, 53209, 73674, 90046, 106418, 135069, 147348, 159627, 180092, 212836, 270138, 319254, 405207, 478881, 540276, 585299, 638508, 810414, 957762, 1170598, 1620828, 1755897, 1915524, 2341196, 3511794, 5267691, 7023588, 10535382, 21070764]

約数ペア:

[(1, 21070764), (2, 10535382), (3, 7023588), (4, 5267691), (6, 3511794), (9, 2341196), (11, 1915524), (12, 1755897), (13, 1620828), (18, 1170598), (22, 957762), (26, 810414), (33, 638508), (36, 585299), (39, 540276), (44, 478881), (52, 405207), (66, 319254), (78, 270138), (99, 212836), (117, 180092), (132, 159627), (143, 147348), (156, 135069), (198, 106418), (234, 90046), (286, 73674), (396, 53209), (429, 49116), (468, 45023), (572, 36837), (858, 24558), (1287, 16372), (1716, 12279), (2574, 8186), (4093, 5148)]