21226496

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1130

約数の個数: 44

約数和(自身を含む): 44706480

約数和(自身を除く): 23479984

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1091, 1216, 2182, 2432, 4364, 4864, 8728, 9728, 17456, 19456, 20729, 34912, 41458, 69824, 82916, 139648, 165832, 279296, 331664, 558592, 663328, 1117184, 1326656, 2653312, 5306624, 10613248, 21226496]

約数ペア:

[(1, 21226496), (2, 10613248), (4, 5306624), (8, 2653312), (16, 1326656), (19, 1117184), (32, 663328), (38, 558592), (64, 331664), (76, 279296), (128, 165832), (152, 139648), (256, 82916), (304, 69824), (512, 41458), (608, 34912), (1024, 20729), (1091, 19456), (1216, 17456), (2182, 9728), (2432, 8728), (4364, 4864)]