21922782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 31299618

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 41, 42, 58, 82, 87, 123, 174, 203, 246, 287, 406, 439, 574, 609, 861, 878, 1189, 1218, 1317, 1722, 2378, 2634, 3073, 3567, 6146, 7134, 8323, 9219, 12731, 16646, 17999, 18438, 24969, 25462, 35998, 38193, 49938, 53997, 76386, 89117, 107994, 125993, 178234, 251986, 267351, 377979, 521971, 534702, 755958, 1043942, 1565913, 3131826, 3653797, 7307594, 10961391, 21922782]

約数ペア:

[(1, 21922782), (2, 10961391), (3, 7307594), (6, 3653797), (7, 3131826), (14, 1565913), (21, 1043942), (29, 755958), (41, 534702), (42, 521971), (58, 377979), (82, 267351), (87, 251986), (123, 178234), (174, 125993), (203, 107994), (246, 89117), (287, 76386), (406, 53997), (439, 49938), (574, 38193), (609, 35998), (861, 25462), (878, 24969), (1189, 18438), (1218, 17999), (1317, 16646), (1722, 12731), (2378, 9219), (2634, 8323), (3073, 7134), (3567, 6146)]