21906108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86929}}^1$

素因数の和:86946

約数の個数: 36

約数和(自身を含む): 63285040

約数和(自身を除く): 41378932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86929, 173858, 260787, 347716, 521574, 608503, 782361, 1043148, 1217006, 1564722, 1825509, 2434012, 3129444, 3651018, 5476527, 7302036, 10953054, 21906108]

約数ペア:

[(1, 21906108), (2, 10953054), (3, 7302036), (4, 5476527), (6, 3651018), (7, 3129444), (9, 2434012), (12, 1825509), (14, 1564722), (18, 1217006), (21, 1043148), (28, 782361), (36, 608503), (42, 521574), (63, 347716), (84, 260787), (126, 173858), (252, 86929)]