21831568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{761}}^1$

素因数の和:943

約数の個数: 40

約数和(自身を含む): 46488096

約数和(自身を除く): 24656528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 163, 176, 326, 652, 761, 1304, 1522, 1793, 2608, 3044, 3586, 6088, 7172, 8371, 12176, 14344, 16742, 28688, 33484, 66968, 124043, 133936, 248086, 496172, 992344, 1364473, 1984688, 2728946, 5457892, 10915784, 21831568]

約数ペア:

[(1, 21831568), (2, 10915784), (4, 5457892), (8, 2728946), (11, 1984688), (16, 1364473), (22, 992344), (44, 496172), (88, 248086), (163, 133936), (176, 124043), (326, 66968), (652, 33484), (761, 28688), (1304, 16742), (1522, 14344), (1793, 12176), (2608, 8371), (3044, 7172), (3586, 6088)]