20212111164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4540007}}^1$

素因数の和:4540074

約数の個数: 48

約数和(自身を含む): 54915936768

約数和(自身を除く): 34703825604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4540007, 9080014, 13620021, 18160028, 27240042, 31780049, 54480084, 63560098, 95340147, 127120196, 190680294, 240620371, 381360588, 481240742, 721861113, 962481484, 1443722226, 1684342597, 2887444452, 3368685194, 5053027791, 6737370388, 10106055582, 20212111164]

約数ペア:

[(1, 20212111164), (2, 10106055582), (3, 6737370388), (4, 5053027791), (6, 3368685194), (7, 2887444452), (12, 1684342597), (14, 1443722226), (21, 962481484), (28, 721861113), (42, 481240742), (53, 381360588), (84, 240620371), (106, 190680294), (159, 127120196), (212, 95340147), (318, 63560098), (371, 54480084), (636, 31780049), (742, 27240042), (1113, 18160028), (1484, 13620021), (2226, 9080014), (4452, 4540007)]