21935104

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:742

約数の個数: 44

約数和(自身を含む): 45328768

約数和(自身を除く): 23393664

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 691, 992, 1024, 1382, 1984, 2764, 3968, 5528, 7936, 11056, 15872, 21421, 22112, 31744, 42842, 44224, 85684, 88448, 171368, 176896, 342736, 353792, 685472, 707584, 1370944, 2741888, 5483776, 10967552, 21935104]

約数ペア:

[(1, 21935104), (2, 10967552), (4, 5483776), (8, 2741888), (16, 1370944), (31, 707584), (32, 685472), (62, 353792), (64, 342736), (124, 176896), (128, 171368), (248, 88448), (256, 85684), (496, 44224), (512, 42842), (691, 31744), (992, 22112), (1024, 21421), (1382, 15872), (1984, 11056), (2764, 7936), (3968, 5528)]