21552688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2287}}^1$

素因数の和:2345

約数の個数: 40

約数和(自身を含む): 45393920

約数和(自身を除く): 23841232

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2287, 2356, 4574, 4712, 9148, 9424, 18296, 36592, 43453, 70897, 86906, 141794, 173812, 283588, 347624, 567176, 695248, 1134352, 1347043, 2694086, 5388172, 10776344, 21552688]

約数ペア:

[(1, 21552688), (2, 10776344), (4, 5388172), (8, 2694086), (16, 1347043), (19, 1134352), (31, 695248), (38, 567176), (62, 347624), (76, 283588), (124, 173812), (152, 141794), (248, 86906), (304, 70897), (496, 43453), (589, 36592), (1178, 18296), (2287, 9424), (2356, 9148), (4574, 4712)]