21631072

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2339}}^1$

素因数の和:2383

約数の個数: 36

約数和(自身を含む): 45257940

約数和(自身を除く): 23626868

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2312, 2339, 4624, 4678, 9248, 9356, 18712, 37424, 39763, 74848, 79526, 159052, 318104, 636208, 675971, 1272416, 1351942, 2703884, 5407768, 10815536, 21631072]

約数ペア:

[(1, 21631072), (2, 10815536), (4, 5407768), (8, 2703884), (16, 1351942), (17, 1272416), (32, 675971), (34, 636208), (68, 318104), (136, 159052), (272, 79526), (289, 74848), (544, 39763), (578, 37424), (1156, 18712), (2312, 9356), (2339, 9248), (4624, 4678)]