21182672

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6101}}^1$

素因数の和:6147

約数の個数: 40

約数和(自身を含む): 48425472

約数和(自身を除く): 27242800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6101, 12202, 24404, 42707, 48808, 85414, 97616, 170828, 189131, 341656, 378262, 683312, 756524, 1323917, 1513048, 2647834, 3026096, 5295668, 10591336, 21182672]

約数ペア:

[(1, 21182672), (2, 10591336), (4, 5295668), (7, 3026096), (8, 2647834), (14, 1513048), (16, 1323917), (28, 756524), (31, 683312), (56, 378262), (62, 341656), (112, 189131), (124, 170828), (217, 97616), (248, 85414), (434, 48808), (496, 42707), (868, 24404), (1736, 12202), (3472, 6101)]