21938576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4021}}^1$

素因数の和:4071

約数の個数: 40

約数和(自身を含む): 47877888

約数和(自身を除く): 25939312

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 4021, 5456, 8042, 16084, 32168, 44231, 64336, 88462, 124651, 176924, 249302, 353848, 498604, 707696, 997208, 1371161, 1994416, 2742322, 5484644, 10969288, 21938576]

約数ペア:

[(1, 21938576), (2, 10969288), (4, 5484644), (8, 2742322), (11, 1994416), (16, 1371161), (22, 997208), (31, 707696), (44, 498604), (62, 353848), (88, 249302), (124, 176924), (176, 124651), (248, 88462), (341, 64336), (496, 44231), (682, 32168), (1364, 16084), (2728, 8042), (4021, 5456)]