21376056

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 58101120

約数和(自身を除く): 36725064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 131, 156, 262, 312, 393, 523, 524, 786, 1046, 1048, 1569, 1572, 1703, 2092, 3138, 3144, 3406, 4184, 5109, 6276, 6799, 6812, 10218, 12552, 13598, 13624, 20397, 20436, 27196, 40794, 40872, 54392, 68513, 81588, 137026, 163176, 205539, 274052, 411078, 548104, 822156, 890669, 1644312, 1781338, 2672007, 3562676, 5344014, 7125352, 10688028, 21376056]

約数ペア:

[(1, 21376056), (2, 10688028), (3, 7125352), (4, 5344014), (6, 3562676), (8, 2672007), (12, 1781338), (13, 1644312), (24, 890669), (26, 822156), (39, 548104), (52, 411078), (78, 274052), (104, 205539), (131, 163176), (156, 137026), (262, 81588), (312, 68513), (393, 54392), (523, 40872), (524, 40794), (786, 27196), (1046, 20436), (1048, 20397), (1569, 13624), (1572, 13598), (1703, 12552), (2092, 10218), (3138, 6812), (3144, 6799), (3406, 6276), (4184, 5109)]