21443552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2713}}^1$

素因数の和:2755

約数の個数: 48

約数和(自身を含む): 47874960

約数和(自身を除く): 26431408

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2713, 3952, 5426, 7904, 10852, 21704, 35269, 43408, 51547, 70538, 86816, 103094, 141076, 206188, 282152, 412376, 564304, 670111, 824752, 1128608, 1340222, 1649504, 2680444, 5360888, 10721776, 21443552]

約数ペア:

[(1, 21443552), (2, 10721776), (4, 5360888), (8, 2680444), (13, 1649504), (16, 1340222), (19, 1128608), (26, 824752), (32, 670111), (38, 564304), (52, 412376), (76, 282152), (104, 206188), (152, 141076), (208, 103094), (247, 86816), (304, 70538), (416, 51547), (494, 43408), (608, 35269), (988, 21704), (1976, 10852), (2713, 7904), (3952, 5426)]