21159832

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 42318720

約数和(自身を除く): 21158888

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 991, 1256, 1982, 2669, 3964, 5338, 7928, 10676, 16847, 21352, 33694, 67388, 134776, 155587, 311174, 622348, 1244696, 2644979, 5289958, 10579916, 21159832]

約数ペア:

[(1, 21159832), (2, 10579916), (4, 5289958), (8, 2644979), (17, 1244696), (34, 622348), (68, 311174), (136, 155587), (157, 134776), (314, 67388), (628, 33694), (991, 21352), (1256, 16847), (1982, 10676), (2669, 7928), (3964, 5338)]