21398344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3331}}^1$

素因数の和:3421

約数の個数: 32

約数和(自身を含む): 44382240

約数和(自身を除く): 22983896

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 3331, 6424, 6662, 13324, 26648, 36641, 73282, 146564, 243163, 293128, 486326, 972652, 1945304, 2674793, 5349586, 10699172, 21398344]

約数ペア:

[(1, 21398344), (2, 10699172), (4, 5349586), (8, 2674793), (11, 1945304), (22, 972652), (44, 486326), (73, 293128), (88, 243163), (146, 146564), (292, 73282), (584, 36641), (803, 26648), (1606, 13324), (3212, 6662), (3331, 6424)]