21272790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9209}}^1$

素因数の和:9237

約数の個数: 64

約数和(自身を含む): 63659520

約数和(自身を除く): 42386730

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 9209, 18418, 27627, 46045, 55254, 64463, 92090, 101299, 128926, 138135, 193389, 202598, 276270, 303897, 322315, 386778, 506495, 607794, 644630, 709093, 966945, 1012990, 1418186, 1519485, 1933890, 2127279, 3038970, 3545465, 4254558, 7090930, 10636395, 21272790]

約数ペア:

[(1, 21272790), (2, 10636395), (3, 7090930), (5, 4254558), (6, 3545465), (7, 3038970), (10, 2127279), (11, 1933890), (14, 1519485), (15, 1418186), (21, 1012990), (22, 966945), (30, 709093), (33, 644630), (35, 607794), (42, 506495), (55, 386778), (66, 322315), (70, 303897), (77, 276270), (105, 202598), (110, 193389), (154, 138135), (165, 128926), (210, 101299), (231, 92090), (330, 64463), (385, 55254), (462, 46045), (770, 27627), (1155, 18418), (2310, 9209)]