21334730

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 39315456

約数和(自身を除く): 17980726

約数列:

[1, 2, 5, 10, 107, 127, 157, 214, 254, 314, 535, 635, 785, 1070, 1270, 1570, 13589, 16799, 19939, 27178, 33598, 39878, 67945, 83995, 99695, 135890, 167990, 199390, 2133473, 4266946, 10667365, 21334730]

約数ペア:

[(1, 21334730), (2, 10667365), (5, 4266946), (10, 2133473), (107, 199390), (127, 167990), (157, 135890), (214, 99695), (254, 83995), (314, 67945), (535, 39878), (635, 33598), (785, 27178), (1070, 19939), (1270, 16799), (1570, 13589)]