21512170

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1097}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 40555728

約数和(自身を除く): 19043558

約数列:

[1, 2, 5, 10, 37, 53, 74, 106, 185, 265, 370, 530, 1097, 1961, 2194, 3922, 5485, 9805, 10970, 19610, 40589, 58141, 81178, 116282, 202945, 290705, 405890, 581410, 2151217, 4302434, 10756085, 21512170]

約数ペア:

[(1, 21512170), (2, 10756085), (5, 4302434), (10, 2151217), (37, 581410), (53, 405890), (74, 290705), (106, 202945), (185, 116282), (265, 81178), (370, 58141), (530, 40589), (1097, 19610), (1961, 10970), (2194, 9805), (3922, 5485)]