21796005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 22330203

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 113, 165, 167, 231, 339, 385, 501, 565, 791, 835, 1155, 1169, 1243, 1695, 1837, 2373, 2505, 3507, 3729, 3955, 5511, 5845, 6215, 8701, 9185, 11865, 12859, 17535, 18645, 18871, 26103, 27555, 38577, 43505, 56613, 64295, 94355, 130515, 132097, 192885, 207581, 283065, 396291, 622743, 660485, 1037905, 1453067, 1981455, 3113715, 4359201, 7265335, 21796005]

約数ペア:

[(1, 21796005), (3, 7265335), (5, 4359201), (7, 3113715), (11, 1981455), (15, 1453067), (21, 1037905), (33, 660485), (35, 622743), (55, 396291), (77, 283065), (105, 207581), (113, 192885), (165, 132097), (167, 130515), (231, 94355), (339, 64295), (385, 56613), (501, 43505), (565, 38577), (791, 27555), (835, 26103), (1155, 18871), (1169, 18645), (1243, 17535), (1695, 12859), (1837, 11865), (2373, 9185), (2505, 8701), (3507, 6215), (3729, 5845), (3955, 5511)]