21842331

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 36545280

約数和(自身を除く): 14702949

約数列:

[1, 3, 7, 17, 21, 51, 59, 61, 119, 177, 183, 289, 357, 413, 427, 867, 1003, 1037, 1239, 1281, 2023, 3009, 3111, 3599, 6069, 7021, 7259, 10797, 17051, 17629, 21063, 21777, 25193, 51153, 52887, 61183, 75579, 119357, 123403, 183549, 358071, 370209, 428281, 1040111, 1284843, 3120333, 7280777, 21842331]

約数ペア:

[(1, 21842331), (3, 7280777), (7, 3120333), (17, 1284843), (21, 1040111), (51, 428281), (59, 370209), (61, 358071), (119, 183549), (177, 123403), (183, 119357), (289, 75579), (357, 61183), (413, 52887), (427, 51153), (867, 25193), (1003, 21777), (1037, 21063), (1239, 17629), (1281, 17051), (2023, 10797), (3009, 7259), (3111, 7021), (3599, 6069)]