21344961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 33292800

約数和(自身を除く): 11947839

約数列:

[1, 3, 11, 19, 33, 57, 59, 177, 209, 577, 627, 649, 1121, 1731, 1947, 3363, 6347, 10963, 12331, 19041, 32889, 34043, 36993, 102129, 120593, 361779, 374473, 646817, 1123419, 1940451, 7114987, 21344961]

約数ペア:

[(1, 21344961), (3, 7114987), (11, 1940451), (19, 1123419), (33, 646817), (57, 374473), (59, 361779), (177, 120593), (209, 102129), (577, 36993), (627, 34043), (649, 32889), (1121, 19041), (1731, 12331), (1947, 10963), (3363, 6347)]