21116844

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11971}}^1$

素因数の和:11995

約数の個数: 54

約数和(自身を含む): 62098764

約数和(自身を除く): 40981920

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11971, 23942, 35913, 47884, 71826, 83797, 107739, 143652, 167594, 215478, 251391, 335188, 430956, 502782, 586579, 754173, 1005564, 1173158, 1508346, 1759737, 2346316, 3016692, 3519474, 5279211, 7038948, 10558422, 21116844]

約数ペア:

[(1, 21116844), (2, 10558422), (3, 7038948), (4, 5279211), (6, 3519474), (7, 3016692), (9, 2346316), (12, 1759737), (14, 1508346), (18, 1173158), (21, 1005564), (28, 754173), (36, 586579), (42, 502782), (49, 430956), (63, 335188), (84, 251391), (98, 215478), (126, 167594), (147, 143652), (196, 107739), (252, 83797), (294, 71826), (441, 47884), (588, 35913), (882, 23942), (1764, 11971)]