21988472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13151}}^1$

素因数の和:13187

約数の個数: 32

約数和(自身を含む): 47347200

約数和(自身を除く): 25358728

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 13151, 26302, 52604, 105208, 144661, 249869, 289322, 499738, 578644, 999476, 1157288, 1998952, 2748559, 5497118, 10994236, 21988472]

約数ペア:

[(1, 21988472), (2, 10994236), (4, 5497118), (8, 2748559), (11, 1998952), (19, 1157288), (22, 999476), (38, 578644), (44, 499738), (76, 289322), (88, 249869), (152, 144661), (209, 105208), (418, 52604), (836, 26302), (1672, 13151)]