21821848

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{509}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 42962400

約数和(自身を除く): 21140552

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 233, 466, 509, 932, 1018, 1864, 2036, 4072, 5359, 10718, 11707, 21436, 23414, 42872, 46828, 93656, 118597, 237194, 474388, 948776, 2727731, 5455462, 10910924, 21821848]

約数ペア:

[(1, 21821848), (2, 10910924), (4, 5455462), (8, 2727731), (23, 948776), (46, 474388), (92, 237194), (184, 118597), (233, 93656), (466, 46828), (509, 42872), (932, 23414), (1018, 21436), (1864, 11707), (2036, 10718), (4072, 5359)]