21332156951

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{42017}}^1$

素因数の和:42155

約数の個数: 32

約数和(自身を含む): 26259569280

約数和(自身を除く): 4927412329

約数列:

[1, 7, 29, 41, 61, 203, 287, 427, 1189, 1769, 2501, 8323, 12383, 17507, 42017, 72529, 294119, 507703, 1218493, 1722697, 2563037, 8529451, 12058879, 17941259, 49958213, 74328073, 105084517, 349707491, 520296511, 735591619, 3047450993, 21332156951]

約数ペア:

[(1, 21332156951), (7, 3047450993), (29, 735591619), (41, 520296511), (61, 349707491), (203, 105084517), (287, 74328073), (427, 49958213), (1189, 17941259), (1769, 12058879), (2501, 8529451), (8323, 2563037), (12383, 1722697), (17507, 1218493), (42017, 507703), (72529, 294119)]