21057625386

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{577}}^1\times {\mathrm{289643}}^1$

素因数の和:290235

約数の個数: 48

約数和(自身を含む): 52233240384

約数和(自身を除く): 31175614998

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 577, 1154, 1731, 3462, 4039, 5193, 8078, 10386, 12117, 24234, 36351, 72702, 289643, 579286, 868929, 1737858, 2027501, 2606787, 4055002, 5213574, 6082503, 12165006, 18247509, 36495018, 167124011, 334248022, 501372033, 1002744066, 1169868077, 1504116099, 2339736154, 3008232198, 3509604231, 7019208462, 10528812693, 21057625386]

約数ペア:

[(1, 21057625386), (2, 10528812693), (3, 7019208462), (6, 3509604231), (7, 3008232198), (9, 2339736154), (14, 1504116099), (18, 1169868077), (21, 1002744066), (42, 501372033), (63, 334248022), (126, 167124011), (577, 36495018), (1154, 18247509), (1731, 12165006), (3462, 6082503), (4039, 5213574), (5193, 4055002), (8078, 2606787), (10386, 2027501), (12117, 1737858), (24234, 868929), (36351, 579286), (72702, 289643)]