21174628

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 19467932

約数列:

[1, 2, 4, 23, 46, 47, 59, 83, 92, 94, 118, 166, 188, 236, 332, 1081, 1357, 1909, 2162, 2714, 2773, 3818, 3901, 4324, 4897, 5428, 5546, 7636, 7802, 9794, 11092, 15604, 19588, 63779, 89723, 112631, 127558, 179446, 225262, 230159, 255116, 358892, 450524, 460318, 920636, 5293657, 10587314, 21174628]

約数ペア:

[(1, 21174628), (2, 10587314), (4, 5293657), (23, 920636), (46, 460318), (47, 450524), (59, 358892), (83, 255116), (92, 230159), (94, 225262), (118, 179446), (166, 127558), (188, 112631), (236, 89723), (332, 63779), (1081, 19588), (1357, 15604), (1909, 11092), (2162, 9794), (2714, 7802), (2773, 7636), (3818, 5546), (3901, 5428), (4324, 4897)]