21787048

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1489}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 42912000

約数和(自身を除く): 21124952

約数列:

[1, 2, 4, 8, 31, 59, 62, 118, 124, 236, 248, 472, 1489, 1829, 2978, 3658, 5956, 7316, 11912, 14632, 46159, 87851, 92318, 175702, 184636, 351404, 369272, 702808, 2723381, 5446762, 10893524, 21787048]

約数ペア:

[(1, 21787048), (2, 10893524), (4, 5446762), (8, 2723381), (31, 702808), (59, 369272), (62, 351404), (118, 184636), (124, 175702), (236, 92318), (248, 87851), (472, 46159), (1489, 14632), (1829, 11912), (2978, 7316), (3658, 5956)]