21487588

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1163}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 39110400

約数和(自身を除く): 17622812

約数列:

[1, 2, 4, 31, 62, 124, 149, 298, 596, 1163, 2326, 4619, 4652, 9238, 18476, 36053, 72106, 144212, 173287, 346574, 693148, 5371897, 10743794, 21487588]

約数ペア:

[(1, 21487588), (2, 10743794), (4, 5371897), (31, 693148), (62, 346574), (124, 173287), (149, 144212), (298, 72106), (596, 36053), (1163, 18476), (2326, 9238), (4619, 4652)]