21566601

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2153}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 37221120

約数和(自身を除く): 15654519

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 2153, 3339, 6459, 10017, 15071, 19377, 45213, 58131, 114109, 135639, 342327, 406917, 798763, 1026981, 2396289, 3080943, 7188867, 21566601]

約数ペア:

[(1, 21566601), (3, 7188867), (7, 3080943), (9, 2396289), (21, 1026981), (27, 798763), (53, 406917), (63, 342327), (159, 135639), (189, 114109), (371, 58131), (477, 45213), (1113, 19377), (1431, 15071), (2153, 10017), (3339, 6459)]