21094420473

素因数分解:

$3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{376639}}^1$

素因数の和:376786

約数の個数: 36

約数和(自身を含む): 35723550720

約数和(自身を除く): 14629130247

約数列:

[1, 3, 7, 9, 21, 49, 63, 127, 147, 381, 441, 889, 1143, 2667, 6223, 8001, 18669, 56007, 376639, 1129917, 2636473, 3389751, 7909419, 18455311, 23728257, 47833153, 55365933, 143499459, 166097799, 334832071, 430498377, 1004496213, 2343824497, 3013488639, 7031473491, 21094420473]

約数ペア:

[(1, 21094420473), (3, 7031473491), (7, 3013488639), (9, 2343824497), (21, 1004496213), (49, 430498377), (63, 334832071), (127, 166097799), (147, 143499459), (381, 55365933), (441, 47833153), (889, 23728257), (1143, 18455311), (2667, 7909419), (6223, 3389751), (8001, 2636473), (18669, 1129917), (56007, 376639)]