20921472726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1561537}}^1$

素因数の和:1561589

約数の個数: 64

約数和(自身を含む): 53966753280

約数和(自身を除く): 33045280554

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 58, 66, 77, 87, 154, 174, 203, 231, 319, 406, 462, 609, 638, 957, 1218, 1914, 2233, 4466, 6699, 13398, 1561537, 3123074, 4684611, 9369222, 10930759, 17176907, 21861518, 32792277, 34353814, 45284573, 51530721, 65584554, 90569146, 103061442, 120238349, 135853719, 240476698, 271707438, 316992011, 360715047, 498130303, 633984022, 721430094, 950976033, 996260606, 1494390909, 1901952066, 2988781818, 3486912121, 6973824242, 10460736363, 20921472726]

約数ペア:

[(1, 20921472726), (2, 10460736363), (3, 6973824242), (6, 3486912121), (7, 2988781818), (11, 1901952066), (14, 1494390909), (21, 996260606), (22, 950976033), (29, 721430094), (33, 633984022), (42, 498130303), (58, 360715047), (66, 316992011), (77, 271707438), (87, 240476698), (154, 135853719), (174, 120238349), (203, 103061442), (231, 90569146), (319, 65584554), (406, 51530721), (462, 45284573), (609, 34353814), (638, 32792277), (957, 21861518), (1218, 17176907), (1914, 10930759), (2233, 9369222), (4466, 4684611), (6699, 3123074), (13398, 1561537)]